Ordered Diagnostic Trouble Codes (DTCS) - All Systems
ORDERED DIAGNOSTIC TROUBLE CODES (DTCS) - DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DTC Descriptor | Module That Sets the DTC | Diagnostic Procedure |
|---|---|---|---|
| B0004 | Vehicle Speed Information Circuit Open | Navigation Radio | DTC B0004 in Navigation Systems |
| B0012 | Right Front/Passenger Frontal Deployment Loop (stage 2) Resistance Low | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0013 | Right Front/Passenger Frontal Deployment Loop (stage 2) Open | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0014 | Right Front/Passenger Frontal Deployment Loop (stage 2) Voltage Out of Range | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0016 | Right Front/Passenger Frontal Deployment Loop (single stage or stage 1) Resistance Low | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0017 | Right Front/Passenger Frontal Deployment Loop (single stage or stage 1) Open | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0018 | Right Front/Passenger Frontal Deployment Loop (single stage or stage 1) Voltage Out of Range | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR |
| B0022 | Left Front/Driver Frontal Deployment Loop (single stage or Stage 1) Resistance Low | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0024 | Left Front/Driver Frontal Deployment Loop (single stage or Stage 1) Voltage Out of Range | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0026 | Left Front/Driver Frontal Deployment Loop (single stage or Stage 1) Open | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0042 | Left Front/Driver Frontal Deployment Loop Stage 2 Resistance Low | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0043 | Left Front/Driver Frontal Deployment Loop Stage 2 Voltage Out of Range | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0044 | Left Front/Driver Frontal Deployment Loop Stage 2 Open | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR |
| B0051 | Deployment Commanded | SDM | DTC B0051 in SIR |
| B0053 | Deployment Commanded With Loop DTCs Present | SDM | DTC B0053 in SIR |
| B0057 | Right Front/Passenger Pretensioner Deployment Loop Resistance Low | SDM | DTC B0057, B0058, or B0059 in SIR |
| B0058 | Right Front/Passenger Pretensioner Deployment Loop Open | SDM | DTC B0057, B0058, or B0059 in SIR |
| B0059 | Right Front/Passenger Pretensioner Deployment Loop Voltage Out of Range | SDM | DTC B0057, B0058, or B0059 in SIR |
| B0061 | Left Front/Driver Roof Rail Deployment Loop Resistance Low | SDM | DTC B0061, B0062, or B0068 in SIR |
| B0062 | Left Front/Driver Roof Rail Deployment Loop Resistance Low | SDM | DTC B0061, B0062, or B0068 in SIR |
| B0064 | Left Front/Driver Pretensioner Deployment Loop Resistance Low | SDM | DTC B0064, B0065, or B0066 in SIR |
| B0065 | Left Front/Driver Pretensioner Deployment Loop Open | SDM | DTC B0064, B0065, or B0066 in SIR |
| B0066 | Left Front/Driver Pretensioner Deployment Loop Voltage Out of Range | SDM | DTC B0064, B0065, or B0066 in SIR |
| B0068 | Left Front/Driver Pretensioner Deployment Loop Voltage Out of Range | SDM | DTC B0061, B0062, or B0068 in SIR |
| B0069 | Right Front/Passenger Roof Rail Deployment Loop Resistance Low | SDM | DTC B0069, B0070, or B0071 in SIR |
| B0070 | Right Front/Passenger Roof Rail Deployment Loop Open | SDM | DTC B0069, B0070, or B0071 in SIR |
| B0071 | Right Front/Passenger Roof Rail Deployment Loop Voltage Out of Range | SDM | DTC B0069, B0070, or B0071 in SIR |
| B0077 | Left Front/Driver Side Impact Sensor (SIS) Performance | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0078 | Right Front/Passenger Side Impact Sensor (SIS) Performance | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0079 | Incorrect Left Front/Driver Side Impact Sensor (SIS) Installed | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0080 | Discard Left Front/Driver Side Impact Sensor (SIS) | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0081 | Incorrect Right Front/Passenger Side Impact Sensor (SIS) Installed | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0082 | Discard Right Front/Passenger Side Impact Sensor (SIS) | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR |
| B0083 | Right Front/Passenger Seat Position Sensor Circuit | SDM | DTC B0083 or B0084 in SIR |
| B0084 | Left Front/Driver Seat Position Sensor Circuit | SDM | DTC B0083 or B0084 in SIR |
| B0092 | Passenger Presence System Performance | SDM | DTC B0092 in SIR |
| B0098 | Passenger Presence System Configuration Error | SDM | DTC B0098 in SIR |
| B0100 | Electronic Front End Sensor 1 Performance | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0101 | Discard Electronic Front End Sensor 1 | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0102 | Incorrect Electronic Front End Sensor 1 Installed | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0103 | Electronic Front End Sensor 2 Performance | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0104 | Discard Electronic Front End Sensor 2 | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0105 | Incorrect Electronic Front End Sensor 2 Installed | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR |
| B0145 | Air Flow Position Command 3 Circuit | Auxiliary HVAC Control Module | DTC B0145, B0428, or B3531
in HVAC Systems - Automatic or DTC B0145, B0428, or B3531 in HVAC Systems - Manual |
| B0159 | Outside Air Temperature Sensor Circuit Range/Performance | HVAC Control Module | DTC B0159 or B0164 in HVAC Systems - Automatic |
| B0164 | Passenger Compartment Temp Sensor Circuit Range/Performance | HVAC Control Module | DTC B0159 or B0164 in HVAC Systems - Automatic |
| B0174 | Output Air Temperature Sensor 1 Circuit Range/Performance | HVAC Control Module | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic |
| B0179 | Output Air Temperature Sensor 2 Circuit Range/Performance | HVAC Control Module | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic |
| B0183 | Solar Load Sensor Circuit | BCM | DTC B0183 or B0188 in HVAC Systems - Automatic |
| B0188 | Solar Load Sensor 2 Circuit | BCM | DTC B0183 or B0188 in HVAC Systems - Automatic |
| B0229 | Recirculate Position Feedback Circuit Range/Performance | HVAC Control Module | DTC B0229, B0414, B0424, B3761, or B3770 in HVAC Systems - Automatic |
| B0248 | Air Flow Control 3 Circuit | HVAC Control Module | DTC B0248, B0263, B0268, B0408, or B0418
in HVAC Systems - Automatic or DTC B0248, B0263, B0408, or B0418 in HVAC Systems - Manual |
| B0263 | Air Flow Control 6 Circuit | HVAC Control Module | DTC B0248, B0263, B0268, B0408, or B0418
in HVAC Systems - Automatic or DTC B0248, B0263, B0408, or B0418 in HVAC Systems - Manual |
| B0268 | Air Flow Control 7 Circuit | HVAC Control Module | DTC B0248, B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic |
| B0283 | Electric Rear Defrost Circuit | EGM, LGM | DTC B0283 in Stationary Windows |
| B0408 | Temperature Control 1 Circuit | HVAC Control Module | DTC B0248, B0263, B0268, B0408, or B0418
in HVAC Systems - Automatic or DTC B0248, B0263, B0408, or B0418 in HVAC Systems - Manual |
| B0414 | Temperature Control 1 Feedback Circuit Range/Performance | HVAC Control Module | DTC B0229, B0414, B0424, B3761, or B3770
in HVAC Systems - Automatic or DTC B0414, B0424, B3761, or B3770 in HVAC Systems - Manual |
| B0418 | Temperature Control 2 Circuit | HVAC Control Module | DTC B0248, B0263, B0268, B0408, or B0418
in HVAC Systems - Automatic or DTC B0248, B0263, B0408, or B0418 in HVAC Systems - Manual |
| B0424 | Temperature Control 2 Feedback Circuit Range/Performance | HVAC Control Module | DTC B0229, B0414, B0424, B3761, or B3770
in HVAC Systems - Automatic or DTC B0414, B0424, B3761, or B3770 in HVAC Systems - Manual |
| B0428 | Temperature Control 3 Circuit | Auxiliary HVAC Control Module | DTC B0145, B0428, or B3531
in HVAC Systems - Automatic or DTC B0145, B0428, or B3531 in HVAC Systems - Manual |
| B0510 | Output Air Temperature Sensor 3 Circuit Range/Performance | HVAC Control Module | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic |
| B0515 | Output Air Temperature Sensor 4 Circuit Range/Performance | HVAC Control Module | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic |
| B0540 | Speedometer Circuit | IPC | DTC B0540 in Instrument Panel, Gages, and Console |
| B0560 | Tachometer Circuit | IPC | DTC B0560 in Instrument Panel, Gages, and Console |
| B0770 | All Wheel Drive (AWD) Indicator Circuit Malfunction | ATC | DTC B0770 in Transfer Case - NVG 226-NP8 |
| B0775 | Four Wheel Drive High Range (4HI) Indicator Circuit Malfunction | ATC | DTC B0775 in Transfer Case - NVG 226-NP8 |
| B0780 | Four Wheel Drive Low Range (4LO) Indicator Circuit Malfunction | ATC | DTC B0780 in Transfer Case - NVG 226-NP8 |
| B0785 | Two Wheel Drive High Range (2HI) Indicator Circuit Malfunction | ATC | DTC B0785 in Transfer Case - NVG 226-NP8 |
| B0790 | Transfer Case Neutral Indicator Circuit Malfunction | ATC | DTC B0790 in Transfer Case - NVG 226-NP8 |
| B0951 | Headlamps On Indicator Circuit | BCM | DTC B0951 in Lighting Systems |
| B1000 | Electronic Control Unit (ECU) Performance | Audio Amplifier, BCM, DDM, DSM, DVD Player, EGM, FPDM, HVAC Control Module, HVAC Control Module - Auxiliary, LGM, IPC, PRM, Radio, SDM, VCIM, VTD | DTC B1000 in Computer/Integrating Systems |
| B1001 | Option Configuration Error | SDM | DTC B1001 in SIR |
| B1004 | Keep Alive Memory (KAM) Reset | OnStar® VCIM | DTC B1004 in Computer/Integrating Systems |
| B1007 | EEPROM Write Error | OnStar® VCIM, VTD | DTC B1007 in Computer/Integrating Systems |
| B1009 | EEPROM Checksum Mismatch | OnStar® VCIM, VTD | DTC B1009 in Computer/Integrating Systems |
| B1017 | Output Driver Module Performance | DDM, PDM | DTC B1017 or B3970 (Passenger Door Module (PDM) or DTC B1017 or B3970 (Driver Door Module (DDM) in Doors |
| LGM | DTC B1017 or B3970 in Wipers/Washer Systems | ||
| B1023 | Integral Switch Performance | DDM, PDM | DTC B1023 in Doors |
| B1025 | Audio ([+] or generic) Output 1 (left front or generic) Circuit | Radio | DTC B1025, B1035, B1045, or B1055 in Entertainment |
| B1035 | Audio ([+] or generic) Output 2 (right front) Circuit | Radio | DTC B1025, B1035, B1045, or B1055 in Entertainment |
| B1045 | Audio ([+] or generic) Output 3 (left rear) Circuit | Radio | DTC B1025, B1035, B1045, or B1055 in Entertainment |
| B1055 | Audio ([+] or generic) Output 4 (right rear) Circuit | Radio | DTC B1025, B1035, B1045, or B1055 in Entertainment |
| B1259 | Antenna Ground Circuit | DRR | DTC B1259 in Entertainment |
| B1271 | Theft Locked | Navigation Radio | DTC B1271 in Entertainment |
| B1325 | Device Power 1 Circuit | Power Roof Module | DTC B1325 and B1335 in Roof |
| B1335 | Device Power 3 Circuit | Power Roof Module | DTC B1325 and B1335 in Roof |
| B1372 | Device Ignition 1 (ON and START) Circuit Low | IPC | DTC B1372 in Instrument Panel, Gages, and Console |
| B1375 | Device Ignition 3 Circuit | HVAC Control Module | DTC B1375
in HVAC Systems - Automatic or DTC B1375 in HVAC Systems - Manual |
| B1397 | Device Voltage Reference Output Circuit Low | BCM | DTC B1397 in Computer/Integrating Systems |
| B1440 | Power Mode Master Input Circuits Mismatch | BCM | DTC B1440 in Computer/Integrating Systems |
| B1477 | Retained Accessory Power Circuit Low | BCM | DTC B1477 in Computer/Integrating Systems |
| B1480 | Battery Rundown Protection Circuit | BCM | DTC B1480 in Lighting Systems |
| B1530 | Discard Passenger Presence System 1 | SDM | DTC B1530 in SIR |
| B1550 | Mirror Left Front or Right Front Select Switch Circuit | DDM, PDM | DTC B1550 in Doors |
| B1720 | Mirror Up and Down Control Switch Circuit | DDM, PDM | DTC B1720 in Doors |
| B1721 | Mirror Left and Right Control Switch Circuit | DDM, PDM | DTC B1721 in Doors |
| B1723 | Mirror Motor Control Circuit 1 Performance | DDM, PDM | DTC B1723 in Doors |
| B1724 | Mirror Motor Control Circuit 2 Performance | DDM, PDM | DTC B1724 in Doors |
| B1735 | Driver Seat Front Up Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1740 | Driver Seat Front Down Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1745 | Driver Seat Rear Up Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1750 | Driver Seat Rear Down Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1755 | Driver Seat Assembly Forward Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1760 | Driver Seat Assembly Rearward Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1815 | Driver Seat Recline Forward Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1820 | Driver Seat Recline Rearward Switch Circuit | DSM | DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 in Seats |
| B1825 | Driver Seat Recline Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B1830 | Driver Seat Lumbar Forward Switch Circuit | DSM | DTC B1830, B1835, B1840 or B1845 in Seats |
| B1835 | Driver Seat Lumbar Rearward Switch Circuit | DSM | DTC B1830, B1835, B1840 or B1845 in Seats |
| B1840 | Driver Seat Lumbar Up Switch Circuit | DSM | DTC B1830, B1835, B1840 or B1845 in Seats |
| B1845 | Driver Seat Lumbar Down Switch Circuit | DSM | DTC B1830, B1835, B1840 or B1845 in Seats |
| B1850 | Driver Seat Lumbar Horizontal Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B1860 | Driver Seat Lumbar Vertical Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B2355 | Driver Seat Front Vertical Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B2365 | Driver Seat Rear Vertical Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B2375 | Driver Seat Assembly Horizontal Position Sensor Circuit | DSM | DTC B1825, B1850, B1860, B2355, B2365, or B2375 in Seats |
| B2425 | Driver Seat Heater Circuit | DSM | DTC B2425 or B2430 in Seats |
| B2430 | Passenger Seat Heater Circuit | DSM | DTC B2425 or B2430 in Seats |
| B2435 | Driver Seat Back Heater Sensor Circuit | DSM | DTC B2435 or B2440 in Seats |
| B2440 | Passenger Seat Back Heater Sensor Circuit | DSM | DTC B2435 or B2440 in Seats |
| B2455 | Cellular Phone Microphone Circuit | OnStar® VCIM | DTC B2455 in Cellular Communication |
| B2462 | Global Positioning System (GPS) Signal Error | Navigation Radio | DTC B2462 in Navigation Systems |
| B2470 | Cellular Phone Antenna Circuit | OnStar® VCIM | DTC B2470 in Cellular Communication |
| B2476 | Cellular Phone Select Service Switch Malfunction | OnStar® VCIM | DTC B2476 in Cellular Communication |
| B2482 | Cellular Phone Select Switch Range/Performance | OnStar® VCIM | DTC B2482 in Cellular Communication |
| B2483 | Global Positioning System (GPS) Sensor Circuit Low | OnStar® VCIM | DTC B2483 or B2484 in Cellular Communication |
| B2484 | Global Positioning System (GPS) Sensor Circuit Open | OnStar® VCIM | DTC B2483 or B2484 in Cellular Communication |
| B2527 | Front Foglamps Circuit Low | BCM | DTC B2527 in Lighting Systems |
| B2530 | Front Foglamps Control Circuit | BCM | DTC B2530 in Lighting Systems |
| B2540 | Rear Foglamps Control Circuit | BCM | DTC B2540 in Lighting Systems |
| B2550 | Backup Lamps Control Circuit | BCM | DTC B2550 in Lighting Systems |
| B2575 | Headlamp Control Circuit | BCM | DTC B2575 in Lighting Systems |
| B2580 | Headlamp High Beam Control Circuit | BCM | DTC B2580 in Lighting Systems |
| B2585 | Park Lamp Control Circuit | BCM | DTC B2585 in Lighting Systems |
| B2610 | Passenger Compartment Dimming 1 Circuit | BCM | DTC B2610 in Lighting Systems |
| B2615 | Passenger Compartment Dimming 2 Circuit | BCM | DTC B2615 in Lighting Systems |
| B2620 | Display Dimming Pulse Width Modulation (PWM) Input Circuit | BCM | DTC B2620 in Lighting Systems |
| B2625 | Display Dimming Pulse Width Modulation (PWM) Output Circuit | BCM | DTC B2625 in Lighting Systems |
| B2645 | Ambient Light Sensor Circuit | BCM | DTC B2645 in Lighting Systems |
| B2697 | Headlamp Washer Request Circuit | BCM | DTC B2697 in Wipers/Washer Systems |
| B2725 | Active Transfer Case (ATC) Mode Switch Circuit Malfunction | ATC | DTC B2725 in Transfer Case - NVG 226-NP8 |
| B2734 | Check Sum Error | VTD | DTC B2734 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| B2815 | Steering Wheel Controls Illegal Resistance Value | BCM | DTC B2815
in Entertainment or DTC B2815 in HVAC Systems - Automatic |
| B2945 | Security System Sensor Power Circuit | BCM | DTC B2945 in Theft Deterrent |
| B2955 | Security System Sensor Data Circuit | BCM | DTC B2955 in Theft Deterrent |
| B2960 | Security System Sensor Data Incorrect but Valid | BCM | DTC B2960 in Theft Deterrent |
| B2961 | Key In Ignition Circuit | IPC | DTC B2961 in Instrument Panel, Gages, and Console |
| B3031 | Security System Controller In Learn Mode | VTD | DTC B3031 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| B3033 | Security System Indicates Tamper | BCM | DTC B3033 in Theft Deterrent |
| B3055 | No Transponder Modulation or No Transponder | VTD | DTC B3055 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| B3060 | Unprogrammed Transponder Identification Code Received | VTD | DTC B3060 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| B3531 | Air Flow Control 10 Circuit | Auxiliary HVAC Control Module | DTC B0145, B0428, or B3531
in HVAC Systems - Automatic or DTC B0145, B0428, or B3531 in HVAC Systems - Manual |
| B3606 | Adjustable Foot Pedal Position Sensor Circuit | Driver Seat Module | DTC B3606 in Adjustable Pedals |
| B3607 | Adjustable Foot Pedal Motor Circuit | Driver Seat Module | DTC B3606 in Adjustable Pedals |
| B3611 | Moveable Roof Open Switch Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3612 | Moveable Roof Close Switch Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3613 | Cargo Area Window Release Switch Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3614 | Endgate Window Up Switch Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3615 | Endgate Window Down Switch Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3616 | Endgate Window Express Up or Down Circuit | Power Roof Module | DTC B3611, B3612, B3613, B3614, B3615 and B3616 in Roof |
| B3761 | Air Flow Control 3 Feedback Circuit | HVAC Control Module | DTC B0229, B0414, B0424, B3761, or B3770
in HVAC Systems - Automatic or DTC B0414, B0424, B3761, or B3770 in HVAC Systems - Manual |
| B3770 | Air Flow Control 6 Feedback Circuit | HVAC Control Module | DTC B0229, B0414, B0424, B3761, or B3770
in HVAC Systems - Automatic or DTC B0414, B0424, B3761, or B3770 in HVAC Systems - Manual |
| B3801 | Passenger Compartment Lamp Request Circuit | BCM | DTC B3801 in Lighting Systems |
| B3802 | Parklamp Request Circuit | BCM | DTC B3802 in Lighting Systems |
| B3808 | Rear Door Lock Relay Circuit | BCM | DTC B3808 in Doors |
| B3809 | Rear Door Unlock Relay Circuit | BCM | DTC B3809 in Doors |
| B3810 | Headlamp Washer Relay Circuit | BCM | DTC B3810 or B3811 in Wipers/Washer Systems |
| B3811 | Rear Washer Relay Circuit | BCM | DTC B3810 or B3811 in Wipers/Washer Systems |
| B3819 | Left Rear Window Up Control Circuit | BCM | DTC B3819 in Doors |
| B3820 | Left Rear Window Down Control Circuit | BCM | DTC B3820 in Doors |
| B3821 | Left Rear Window Relay Power Circuit | BCM | DTC B3821 in Doors |
| B3822 | Right Rear Window Up Control Circuit | BCM | DTC B3822 in Doors |
| B3823 | Right Rear Window Down Control Circuit | BCM | DTC B3823 in Doors |
| B3824 | Right Rear Window Relay Power Circuit | BCM | DTC B3824 in Doors |
| B3855 | Rollover Sensor Performance | SDM | DTC B3855, B3856, or B3857 in SIR |
| B3856 | Discard Rollover Sensor | SDM | DTC B3855, B3856, or B3857 in SIR |
| B3857 | Incorrect Rollover Sensor Installed | SDM | DTC B3855, B3856, or B3857 in SIR |
| B3935 | Transponder Authentication Error | VTD | DTC B3935 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| B3970 | Rear Wiper Motor Circuit | LGM | DTC B1017 or B3970 in Wipers/Washer Systems |
| B3972 | Moveable Roof Position Sensor | Power Roof Module | DTC B3972 in Roof |
| B3973 | Moveable Roof Motor Circuits | Power Roof Module | DTC B3973 in Roof |
| C0035 | Left Front Wheel Speed Sensor Circuit | EBCM | DTC C0035 or C0040 in Antilock Brake System |
| C0040 | Right Front Wheel Speed Sensor Circuit | EBCM | DTC C0035 or C0040 in Antilock Brake System |
| C0055 | Rear Wheel Speed Sensor Circuit | EBCM | DTC C0055 or P0609 in Antilock Brake System |
| C0110 | Pump Motor Circuit | EBCM | DTC C0110 in Antilock Brake System |
| C0161 | Antilock Brake System (ABS) / Traction Control System (TCS) Brake Switch | EBCM | DTC C0161 in Antilock Brake System |
| C0201 | Antilock Brake System (ABS) Enable Relay Contact Circuit | EBCM | DTC C0201 in Antilock Brake System |
| C0221 | Right Front Wheel Speed Sensor Circuit Open | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0222 | Right Front Wheel Speed Signal Missing | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0223 | Right Front Wheel Speed Signal Erratic | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0225 | Left Front Wheel Speed Sensor Circuit Open | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0226 | Left Front Wheel Speed Signal Missing | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0227 | Left Front Wheel Speed Signal Erratic | EBCM | DTC C0221-C0227 in Antilock Brake System |
| C0229 | Drop Out of Both Front Speed Sensors | EBCM | DTC C0229 in Antilock Brake System |
| C0238 | Wheel Speed Mismatch | EBCM | DTC C0238 in Antilock Brake System |
| C0241 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0242 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0243 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0244 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0245 | EBCM Control Valve Circuit (w/ NW7) or Wheel Speed Sensor Frequency Error (w/o NW7) |
EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0246 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0247 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0248 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0251 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0252 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0253 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0254 | EBCM Control Valve Circuit | EBCM | DTC C0241-C0254 (W/NW7) or DTC C0241-C0254 (W/O NW7) in Antilock Brake System |
| C0265 | EBCM Motor Relay Circuit | EBCM | DTC C0265 or C0266 in Antilock Brake System |
| C0266 | EBCM Motor Relay Circuit | EBCM | DTC C0265 or C0266 in Antilock Brake System |
| C0267 | Pump Motor Circuit Open | EBCM | DTC C0267 or C0268 in Antilock Brake System |
| C0268 | Pump Motor Circuit Shorted | EBCM | DTC C0267 or C0268 in Antilock Brake System |
| C0269 | Excessive Dump Time | EBCM | DTC C0269 or C0274 in Antilock Brake System |
| C0271 | EBCM Malfunction | EBCM | DTC C0271-C0273, C0284 in Antilock Brake System |
| C0272 | EBCM Malfunction | EBCM | DTC C0271-C0273, C0284 in Antilock Brake System |
| C0273 | EBCM Malfunction | EBCM | DTC C0271-C0273, C0284 in Antilock Brake System |
| C0274 | Excessive Isolation Time | EBCM | DTC C0269 or C0274 in Antilock Brake System |
| C0279 | Powertrain Configuration Not Valid | EBCM | DTC C0279 in Antilock Brake System |
| C0281 | Stop Lamp Switch Circuit | EBCM | DTC C0281 in Antilock Brake System |
| C0283 | Mode Switch Circuit Malfunction | EBCM | DTC C0283 in Antilock Brake System |
| C0284 | EBCM Malfunction | EBCM | DTC C0271-C0273, C0284 in Antilock Brake System |
| C0287 | Delivered Torque Signal Malfunction | EBCM | DTC C0287, P1644, or P1689 in Antilock Brake System |
| C0290 | Class 2 Data Link Malfunction | EBCM | DTC C0290 or C0292 in Antilock Brake System |
| C0292 | Lost Communications with Engine Control System | EBCM | DTC C0290 or C0292 in Antilock Brake System |
| C0297 | Powertrain Configuration Data Not Received | EBCM | DTC C0297 in Antilock Brake System |
| C0300 | Rear Propshaft Speed Sensor Malfunction | ATC | DTC C0300
in Transfer Case - NVG 126-NP4 or DTC C0300 in Transfer Case - NVG 226-NP8 |
| C0305 | Front Propshaft Speed Sensor Malfunction | ATC | DTC C0305
in Transfer Case - NVG 126-NP4 or DTC C0305 in Transfer Case - NVG 226-NP8 |
| C0306 | Motor A or B Circuit Malfunction | ATC | DTC C0306
in Transfer Case - NVG 126-NP4 or DTC C0306 in Transfer Case - NVG 226-NP8 |
| C0321 | Transfer Case Lock Circuit Malfunction | ATC | DTC C0321 in Transfer Case - NVG 226-NP8 |
| C0327 | Encoder Circuit Malfunction | ATC | DTC C0327
in Transfer Case - NVG 126-NP4 or DTC C0327 in Transfer Case - NVG 226-NP8 |
| C0359 | Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction | ATC | DTC C0359 in Transfer Case - NVG 226-NP8 |
| C0374 | General System Malfunction | ATC | DTC C0374
in Transfer Case - NVG 126-NP4 or DTC C0374 in Transfer Case - NVG 226-NP8 |
| C0379 | Front Axle System Malfunction | ATC | DTC C0379 in Transfer Case - NVG 226-NP8 |
| C0550 | Electronic Control Unit (ECU) Performance | EBCM | DTC C0550 in Antilock Brake System |
| ECU Malfunction | ATC | DTC C0550
in Transfer Case - NVG 126-NP4 or DTC C0550 in Transfer Case - NVG 226-NP8 |
|
| P0013 | Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit | PCM | DTC P0013 in Engine Controls - 4.2L |
| P0014 | Exhaust Camshaft Position (CMP) System Performance | PCM | DTC P0014 in Engine Controls - 4.2L |
| P0016 | Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation | ECM | DTC P0016 in Engine Controls - 5.3L |
| P0017 | Crankshaft Position (CKP) Exhaust-Camshaft Position (CMP) Correlation | PCM | DTC P0017 in Engine Controls - 4.2L |
| P0030 | HO2S Heater Control Circuit Bank 1 Sensor 1 | ECM | DTC P0030, P0036, P0050, or P0056 in Engine Controls - 5.3L |
| P0036 | HO2S Heater Control Circuit Bank 1 Sensor 2 | ECM | DTC P0030, P0036, P0050, or P0056 in Engine Controls - 5.3L |
| P0050 | HO2S Heater Control Circuit Bank 2 Sensor 1 | ECM | DTC P0030, P0036, P0050, or P0056 in Engine Controls - 5.3L |
| P0053 | HO2S Heater Resistance Sensor 1 | PCM | DTC P0053 or P0054 in Engine Controls - 4.2L |
| P0054 | HO2S Heater Resistance Sensor 2 | PCM | DTC P0053 or P0054 in Engine Controls - 4.2L |
| P0056 | HO2S Heater Control Circuit Bank 2 Sensor 2 | ECM | DTC P0030, P0036, P0050, or P0056 in Engine Controls - 5.3L |
| P0068 | Throttle Body Airflow Performance | ECM, PCM | DTC P0068
in Engine Controls - 4.2L or DTC P0068 in Engine Controls - 5.3L |
| P0101 | Mass Air Flow (MAF) Sensor Performance | ECM | DTC P0101 in Engine Controls - 5.3L |
| P0102 | Mass Air Flow (MAF) Sensor Circuit Low Frequency | ECM | DTC P0102 in Engine Controls - 5.3L |
| P0103 | Mass Air Flow (MAF) Sensor Circuit High Frequency | ECM | DTC P0103 in Engine Controls - 5.3L |
| P0106 | Manifold Absolute Pressure (MAP) Sensor Performance | ECM, PCM | DTC P0106
in Engine Controls - 4.2L or DTC P0106 in Engine Controls - 5.3L |
| P0107 | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0107
in Engine Controls - 4.2L or DTC P0107 in Engine Controls - 5.3L |
| P0108 | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage | ECM, PCM | DTC P0108
in Engine Controls - 4.2L or DTC P0108 in Engine Controls - 5.3L |
| P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Voltage | ECM, PCM | DTC P0112
in Engine Controls - 4.2L or DTC P0112 in Engine Controls - 5.3L |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Voltage | ECM, PCM | DTC P0113
in Engine Controls - 4.2L or DTC P0113 in Engine Controls - 5.3L |
| P0116 | Engine Coolant Temperature (ECT) Sensor Performance | ECM | DTC P0116 in Engine Controls - 5.3L |
| P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage | ECM, PCM | DTC P0117
in Engine Controls - 4.2L or DTC P0117 in Engine Controls - 5.3L |
| P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage | ECM, PCM | DTC P0118
in Engine Controls - 4.2L or DTC P0118 in Engine Controls - 5.3L |
| P0120 | Throttle Position (TP) Sensor 1 Circuit | ECM, PCM | DTC P0120
in Engine Controls - 4.2L or DTC P0120 in Engine Controls - 5.3L |
| P0121 | Throttle Position (TP) Sensor 1 Performance | ECM | DTC P0121 in Engine Controls - 5.3L |
| P0122 | Throttle Position (TP) Sensor 1 Circuit Low Voltage | ECM, PCM | DTC P0122
in Engine Controls - 4.2L or DTC P0122 in Engine Controls - 5.3L |
| P0123 | Throttle Position (TP) Sensor 1 Circuit High Voltage | ECM, PCM | DTC P0123
in Engine Controls - 4.2L or DTC P0123 in Engine Controls - 5.3L |
| P0125 | Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control | PCM | DTC P0125 in Engine Controls - 4.2L |
| P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature | ECM, PCM | DTC P0128
in Engine Controls - 4.2L or DTC P0128 in Engine Controls - 5.3L |
| P0130 | HO2S Circuit Sensor 1 | PCM | DTC P0130 in Engine Controls - 4.2L |
| P0131 | HO2S Circuit Low Voltage Sensor 1 | PCM | DTC P0131 in Engine Controls - 4.2L |
| HO2S Circuit Low Voltage Bank 1 Sensor 1 | ECM | DTC P0131 or P0151 in Engine Controls - 5.3L | |
| P0132 | HO2S Circuit High Voltage Sensor 1 | PCM | DTC P0132 in Engine Controls - 4.2L |
| HO2S Circuit High Voltage Bank 1 Sensor 1 | ECM | DTC P0132 or P0152 in Engine Controls - 5.3L | |
| P0133 | HO2S Slow Response Sensor 1 | PCM | DTC P0133 in Engine Controls - 4.2L |
| HO2S Slow Response Bank 1 Sensor 1 | ECM | DTC P0133 or P0153 in Engine Controls - 5.3L | |
| P0134 | HO2S Circuit Insufficient Activity Sensor 1 | PCM | DTC P0134 in Engine Controls - 4.2L |
| HO2S Circuit Insufficient Activity Bank 1 Sensor 1 | ECM | DTC P0134 or P0154 in Engine Controls - 5.3L | |
| P0135 | HO2S Heater Performance Bank 1 Sensor 1 | PCM | DTC P0135 or P0141 in Engine Controls - 4.2L |
| HO2S Heater Performance Sensor 1 | ECM | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 5.3L | |
| P0136 | HO2S Circuit Bank 1 Sensor 2 | ECM | DTC P0136 or P0156 in Engine Controls - 5.3L |
| P0137 | HO2S Circuit Low Voltage Sensor 2 | PCM | DTC P0137 in Engine Controls - 4.2L |
| HO2S Circuit Low Voltage Bank 1 Sensor 2 | ECM | DTC P0137 or P0157 in Engine Controls - 5.3L | |
| P0138 | HO2S Circuit High Voltage Sensor 2 | PCM | DTC P0138 in Engine Controls - 4.2L |
| HO2S Circuit High Voltage Bank 1 Sensor 2 | ECM | DTC P0138 or P0158 in Engine Controls - 5.3L | |
| P0140 | HO2S Circuit Insufficient Activity Sensor 2 | PCM | DTC P0140 in Engine Controls - 4.2L |
| HO2S Circuit Insufficient Activity Bank 1 Sensor 2 | ECM | DTC P0140 or P0160 in Engine Controls - 5.3L | |
| P0141 | HO2S Heater Performance Sensor 2 | PCM | DTC P0135 or P0141 in Engine Controls - 4.2L |
| P0141 | HO2S Heater Performance Bank 1 Sensor 2 | ECM | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 5.3L |
| P0151 | HO2S Circuit Low Voltage Bank 2 Sensor 1 | ECM | DTC P0131 or P0151 in Engine Controls - 5.3L |
| P0152 | HO2S Circuit High Voltage Bank 2 Sensor 1 | ECM | DTC P0132 or P0152 in Engine Controls - 5.3L |
| P0153 | HO2S Slow Response Bank 2 Sensor 1 | ECM | DTC P0133 or P0153 in Engine Controls - 5.3L |
| P0154 | HO2S Circuit Insufficient Activity Bank 2 Sensor 1 | ECM | DTC P0134 or P0154 in Engine Controls - 5.3L |
| P0155 | HO2S Heater Performance Bank 2 Sensor 1 | ECM | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 5.3L |
| P0156 | HO2S Circuit Bank 2 Sensor 2 | ECM | DTC P0136 or P0156 in Engine Controls - 5.3L |
| P0157 | HO2S Circuit Low Voltage Bank 2 Sensor 2 | ECM | DTC P0137 or P0157 in Engine Controls - 5.3L |
| P0158 | HO2S Circuit High Voltage Bank 2 Sensor 2 | ECM | DTC P0138 or P0158 in Engine Controls - 5.3L |
| P0160 | HO2S Circuit Insufficient Activity Bank 2 Sensor 2 | ECM | DTC P0140 or P0160 in Engine Controls - 5.3L |
| P0161 | HO2S Heater Performance Bank 2 Sensor 2 | ECM | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 5.3L |
| P0171 | Fuel Trim System Lean | PCM | DTC P0171 in Engine Controls - 4.2L |
| Fuel Trim System Lean Bank 1 | ECM | DTC P0171 or P0174 in Engine Controls - 5.3L | |
| P0172 | Fuel Trim System Rich | PCM | DTC P0172 in Engine Controls - 4.2L |
| Fuel Trim System Rich Bank 1 | ECM | DTC P0172 or P0175 in Engine Controls - 5.3L | |
| P0174 | Fuel Trim System Lean Bank 2 | ECM | DTC P0171 or P0174 in Engine Controls - 5.3L |
| P0175 | Fuel Trim System Rich Bank 2 | ECM | DTC P0172 or P0175 in Engine Controls - 5.3L |
| P0201 | Injector 1 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0202 | Injector 2 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0203 | Injector 3 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0204 | Injector 4 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0205 | Injector 5 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0206 | Injector 6 Control Circuit | ECM, PCM | DTC P0201-P0206
in Engine Controls - 4.2L or DTC P0201-P0208 in Engine Controls - 5.3L |
| P0207 | Injector 7 Control Circuit | ECM | DTC P0201-P0208 in Engine Controls - 5.3L |
| P0208 | Injector 8 Control Circuit | ECM | DTC P0201-P0208 in Engine Controls - 5.3L |
| P0218 | Transmission Fluid Overtemperature | PCM, TCM | DTC P0218 (4.2L) or DTC P0218 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0220 | Throttle Position (TP) Sensor 2 Circuit | ECM, PCM | DTC P0220
in Engine Controls - 4.2L or DTC P0220 in Engine Controls - 5.3L |
| P0222 | Throttle Position (TP) Sensor 2 Circuit Low Voltage | ECM, PCM | DTC P0222
in Engine Controls - 4.2L or DTC P0222 in Engine Controls - 5.3L |
| P0223 | Throttle Position (TP) Sensor 2 Circuit High Voltage | ECM, PCM | DTC P0223
in Engine Controls - 4.2L or DTC P0223 in Engine Controls - 5.3L |
| P0230 | Fuel Pump Relay Control Circuit | ECM | DTC P0230 in Engine Controls - 5.3L |
| P0300 | Engine Misfire Detected | ECM, PCM | DTC P0300
in Engine Controls - 4.2L or DTC P0300 in Engine Controls - 5.3L |
| P0301 | Cylinder 1 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0302 | Cylinder 2 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0303 | Cylinder 3 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0304 | Cylinder 4 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0305 | Cylinder 5 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0306 | Cylinder 6 Misfire Detected | PCM | DTC P0301-P0306 in Engine Controls - 4.2L |
| P0315 | Crankshaft Position (CKP) System Variation Not Learned | ECM, PCM | DTC P0315
in Engine Controls - 4.2L or DTC P0315 in Engine Controls - 5.3L |
| P0325 | Knock Sensor (KS) Circuit | ECM | DTC P0325 in Engine Controls - 5.3L |
| P0326 | Knock Sensor (KS) Performance | ECM, PCM | DTC P0326
in Engine Controls - 4.2L or DTC P0326 in Engine Controls - 5.3L |
| P0327 | Knock Sensor (KS) 1 Circuit Low Frequency | ECM, PCM | DTC P0327 or P0332
in Engine Controls - 4.2L or DTC P0327 or P0332 in Engine Controls - 5.3L |
| P0332 | Knock Sensor (KS) 2 Circuit Low Frequency | ECM, PCM | DTC P0327 or P0332
in Engine Controls - 4.2L or DTC P0327 or P0332 in Engine Controls - 5.3L |
| P0335 | Crankshaft Position (CKP) Sensor Circuit | ECM, PCM | DTC P0335
in Engine Controls - 4.2L or DTC P0335 in Engine Controls - 5.3L |
| P0336 | Crankshaft Position (CKP) Sensor Performance | PCM | DTC P0336 in Engine Controls - 4.2L |
| Crankshaft Position (CKP) Sensor Circuit | ECM | DTC P0336 in Engine Controls - 5.3L | |
| P0340 | Camshaft Position (CMP) Sensor Circuit | ECM, PCM | DTC P0340
in Engine Controls - 4.2L or DTC P0340 in Engine Controls - 5.3L |
| P0341 | Camshaft Position (CMP) Sensor Performance | ECM, PCM | DTC P0341
in Engine Controls - 4.2L or DTC P0341 in Engine Controls - 5.3L |
| P0351 | Ignition Coil 1 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0352 | Ignition Coil 2 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0353 | Ignition Coil 3 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0354 | Ignition Coil 4 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0355 | Ignition Coil 5 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0356 | Ignition Coil 6 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0357 | Ignition Coil 7 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0358 | Ignition Coil 8 Control Circuit | ECM | DTC P0351-P0358 in Engine Controls - 5.3L |
| P0410 | Secondary Air Injection (AIR) System | PCM | DTC P0410 in Engine Controls - 4.2L |
| P0420 | Catalyst System Low Efficiency | PCM | DTC P0420 in Engine Controls - 4.2L |
| Catalyst System Low Efficiency Bank 1 | ECM | DTC P0420 or P0430 in Engine Controls - 5.3L | |
| P0430 | Catalyst System Low Efficiency Bank 2 | ECM | DTC P0420 or P0430 in Engine Controls - 5.3L |
| P0442 | Evaporative Emission (EVAP) System Small Leak Detected | ECM, PCM | DTC P0442
in Engine Controls - 4.2L or DTC P0442 in Engine Controls - 5.3L |
| P0443 | Evaporative Emission (EVAP) Purge Solenoid Control Circuit | ECM | DTC P0443 in Engine Controls - 5.3L |
| P0446 | Evaporative Emission (EVAP) Vent System Performance | ECM, PCM | DTC P0446
in Engine Controls - 4.2L or DTC P0446 in Engine Controls - 5.3L |
| P0449 | Evaporative Emission (EVAP) Vent Solenoid Control Circuit | ECM | DTC P0449 in Engine Controls - 5.3L |
| P0451 | Fuel Tank Pressure (FTP) Sensor Performance | ECM | DTC P0451 in Engine Controls - 5.3L |
| P0452 | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0452
in Engine Controls - 4.2L or DTC P0452 in Engine Controls - 5.3L |
| P0453 | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage | ECM, PCM | DTC P0453
in Engine Controls - 4.2L or DTC P0453 in Engine Controls - 5.3L |
| P0454 | Fuel Tank Pressure (FTP) Sensor Circuit Intermittent | ECM | DTC P0454 in Engine Controls - 5.3L |
| P0455 | Evaporative Emission (EVAP) System Large Leak Detected | ECM, PCM | DTC P0455
in Engine Controls - 4.2L or DTC P0455 in Engine Controls - 5.3L |
| P0461 | Fuel Level Sensor Performance | ECM, PCM | DTC P0461 in Instrument Panel, Gages, and Console |
| P0462 | Fuel Level Sensor Circuit Low Voltage | ECM, PCM | DTC P0462 in Instrument Panel, Gages, and Console |
| P0463 | Fuel Level Sensor Circuit High Voltage | ECM, PCM | DTC P0463 in Instrument Panel, Gages, and Console |
| P0464 | Fuel Level Sensor Circuit Intermittent | ECM, PCM | DTC P0464 in Instrument Panel, Gages, and Console |
| P0480 | Cooling Fan Relay 1 Control Circuit | ECM, PCM | DTC P0480 in Engine Cooling |
| P0483 | Cooling Fan System Performance | ECM, PCM | DTC P0483 or P0493 in Engine Cooling |
| P0493 | Cooling Fan Overspeed | ECM, PCM | DTC P0483 or P0493 in Engine Cooling |
| P0495 | Cooling Fan Speed High | ECM, PCM | DTC P0495 in Engine Cooling |
| P0496 | Evaporative Emission (EVAP) System Flow During Non-Purge | ECM, PCM | DTC P0496
in Engine Controls - 4.2L or DTC P0496 in Engine Controls - 5.3L |
| P0502 | Vehicle Speed Sensor (VSS) Circuit Low Voltage | PCM | DTC P0502 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0503 | Vehicle Speed Sensor (VSS) Circuit Intermittent | PCM | DTC P0503 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0506 | Idle Speed Low | ECM, PCM | DTC P0506
in Engine Controls - 4.2L or DTC P0506 in Engine Controls - 5.3L |
| P0507 | Idle Speed High | ECM, PCM | DTC P0507
in Engine Controls - 4.2L or DTC P0507 in Engine Controls - 5.3L |
| P0522 | Engine Oil Pressure (EOP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0522 in Instrument Panel, Gages, and Console |
| P0523 | Engine Oil Pressure (EOP) Sensor Circuit High Voltage | ECM, PCM | DTC P0523 in Instrument Panel, Gages, and Console |
| P0526 | Cooling Fan Speed Sensor Circuit | ECM, PCM | DTC P0526 in Engine Cooling |
| P0530 | Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit | ECM, PCM | DTC P0530
in HVAC Systems - Automatic or DTC P0530 in HVAC Systems - Manual |
| P0556 | Brake Booster Pressure Sensor Performance | ECM | DTC P0556 in Engine Controls - 5.3L |
| P0557 | Brake Booster Pressure Sensor Circuit Low Voltage | ECM | DTC P0557 in Engine Controls - 5.3L |
| P0558 | Brake Booster Pressure Sensor Circuit High Voltage | ECM | DTC P0558 in Engine Controls - 5.3L |
| P0562 | System Voltage Low | ECM, PCM, TCM | DTC P0562 (5.3L)
in Automatic Transmission - 4L60-E/4L65-E or DTC P0562 in Engine Electrical |
| P0563 | System Voltage High | ECM, PCM, TCM | DTC P0563 (5.3L)
in Automatic Transmission - 4L60-E/4L65-E or DTC P0563 in Engine Electrical |
| P0567 | Cruise Control Resume Switch Circuit | PCM | DTC P0567 in Cruise Control |
| P0568 | Cruise Control Set Switch Circuit | PCM | DTC P0568 in Cruise Control |
| P0601 | Transmission Control Module (TCM) Read Only Memory (ROM) | TCM | DTC P0601-P0604 or P1621 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| Control Module Read Only Memory (ROM) | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
|
| P0602 | Transmission Control Module (TCM) Not Programmed | TCM | DTC P0601-P0604 or P1621 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| Control Module Not Programmed | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
|
| P0603 | Transmission Control Module (TCM) Long Term Memory Reset | TCM | DTC P0601-P0604 or P1621 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| Control Module Long Term Memory Reset | ECM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L | |
| P0604 | Transmission Control Module (TCM) Random Access Memory (RAM) | TCM | DTC P0601-P0604 or P1621 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| Control Module Random Access Memory (RAM) | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
|
| P0606 | Control Module Internal Performance | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
| P0607 | Control Module Performance | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
| P0608 | Vehicle Speed Output Circuit | PCM, TCM | DTC P0608 in Instrument Panel, Gages, and Console |
| P0609 | Vehicle Speed Output Circuit 2 | PCM, TCM | DTC C0055 or P0609 in Antilock Brake System |
| P060D | Control Module Accelerator Pedal Position (APP) System Performance | ECM, PCM | DTC P060D
in Engine Controls - 4.2L or DTC P060D in Engine Controls - 5.3L |
| P060E | Control Module Throttle Position (TP) System Performance | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
| P0621 | Generator L-Terminal Circuit | ECM, PCM | DTC P0621 in Engine Electrical |
| P0622 | Generator F-Terminal Circuit | ECM, PCM | DTC P0622 in Engine Electrical |
| P0641 | 5 Volt Reference 1 Circuit | ECM, PCM | DTC P0641
in Engine Controls - 4.2L or DTC P0641 in Engine Controls - 5.3L |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit | ECM | DTC P0650 in Engine Controls - 5.3L |
| P0651 | 5 Volt Reference 2 Circuit | ECM, PCM | DTC P0651
in Engine Controls - 4.2L or DTC P0651 in Engine Controls - 5.3L |
| P0654 | Engine Speed Output Circuit | ECM, PCM | DTC P0654 in Instrument Panel, Gages, and Console |
| P0685 | Engine Controls Ignition Relay Control Circuit | ECM | DTC P0685 in Engine Controls - 5.3L |
| P0689 | Engine Controls Ignition Relay Feedback Circuit Low Voltage | ECM | DTC P0689 in Engine Controls - 5.3L |
| P0690 | Engine Controls Ignition Relay Feedback Circuit High Voltage | ECM | DTC P0690 in Engine Controls - 5.3L |
| P0700 | Transmission Control Module (TCM) Requested MIL Illumination | ECM | DTC P0700 in Engine Controls - 5.3L |
| P0705 | Transmission Range (TR) Switch Circuit | PCM | DTC P0705 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0711 | Transmission Fluid Temperature (TFT) Sensor Performance | PCM, TCM | DTC P0711 (4.2L) or DTC P0711 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0712 | Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage | PCM, TCM | DTC P0712 (4.2L) or DTC P0712 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0713 | Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage | PCM, TCM | DTC P0713 (4.2L) or DTC P0713 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0719 | Brake Switch Circuit Low Voltage | PCM, TCM | DTC P0719 (4.2L) or DTC P0719 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0722 | Output Speed Sensor Circuit Low Voltage | TCM | DTC P0722 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0723 | Output Speed Sensor Circuit Intermittent | TCM | DTC P0723 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0724 | Brake Switch Circuit High Voltage | PCM, TCM | DTC P0724 (4.2L) or DTC P0724 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0740 | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit | PCM | DTC P0740 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0741 | Torque Converter Clutch (TCC) System - Stuck Off | PCM, TCM | DTC P0741 (4.2L) or DTC P0741 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0742 | Torque Converter Clutch (TCC) System - Stuck On | PCM, TCM | DTC P0742 (4.2L) or DTC P0742 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0748 | Pressure Control (PC) Solenoid Control Circuit | PCM | DTC P0748 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0751 | 1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear | PCM, TCM | DTC P0751 (4.2L) or DTC P0751 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0752 | 1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear | PCM, TCM | DTC P0752 (4.2L) or DTC P0752 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0753 | 1-2 Shift Solenoid (SS) Control Circuit | PCM | DTC P0753 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0756 | 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear | PCM, TCM | DTC P0756 (4.2L) or DTC P0756 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0757 | 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear | PCM, TCM | DTC P0757 (4.2L) or DTC P0757 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0758 | 2-3 Shift Solenoid (SS) Control Circuit | PCM | DTC P0758 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0785 | 3-2 Shift Solenoid (SS) Control Circuit | PCM | DTC P0785 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P0787 | 3-2 Shift Solenoid (SS) Control Circuit Low Voltage | TCM | DTC P0787 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0788 | 3-2 Shift Solenoid (SS) Control Circuit High Voltage | TCM | DTC P0788 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0894 | Transmission Component Slipping | PCM, TCM | DTC P0894 (4.2L) or DTC P0894 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0961 | Line Pressure Control (PC) Solenoid System Performance | TCM | DTC P0961 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0973 | 1-2 Shift Solenoid (SS) Control Circuit Low Voltage | TCM | DTC P0973 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0974 | 1-2 Shift Solenoid (SS) Control Circuit High Voltage | TCM | DTC P0974 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0976 | 2-3 Shift Solenoid (SS) Control Circuit Low Voltage | TCM | DTC P0976 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P0977 | 2-3 Shift Solenoid (SS) Control Circuit High Voltage | TCM | DTC P0977 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P1101 | Intake Air Flow System Performance | ECM | DTC P1101 in Engine Controls - 5.3L |
| P1133 | HO2S Insufficient Switching Sensor 1 | PCM | DTC P1133 in Engine Controls - 4.2L |
| HO2S Insufficient Switching Bank 1 Sensor 1 | ECM | DTC P1133 or P1153 in Engine Controls - 5.3L | |
| P1134 | HO2S Transition Time Ratio Bank 1 Sensor 1 | ECM | DTC P1134 or P1154 in Engine Controls - 5.3L |
| P1137 | HO2S Circuit Low Voltage During Power Enrichment Sensor 2 | PCM | DTC P1137 in Engine Controls - 4.2L |
| P1138 | HO2S Circuit High Voltage During Decel Fuel Cut-Off (DFCO) Sensor 2 | PCM | DTC P1138 in Engine Controls - 4.2L |
| P1153 | HO2S Insufficient Switching Bank 2 Sensor 1 | ECM | DTC P1133 or P1153 in Engine Controls - 5.3L |
| P1154 | HO2S Transition Time Ratio Bank 2 Sensor 1 | ECM | DTC P1134 or P1154 in Engine Controls - 5.3L |
| P1171 | Fuel System Lean During Acceleration | ECM | DTC P1171 in Engine Controls - 4.2L |
| P1258 | Engine Coolant Overtemperature - Protection Mode Active | ECM, PCM | DTC P1258 in Engine Cooling |
| P1380 | Misfire Detected - Rough Road Data Not Available | ECM, PCM | DTC P1380
in Engine Controls - 4.2L or DTC P1380 in Engine Controls - 5.3L |
| P1381 | Misfire Detected - No Communication With Brake Control Module | ECM, PCM | DTC P1381
in Engine Controls - 4.2L or DTC P1381 in Engine Controls - 5.3L |
| P1481 | Cooling Fan Speed Sensor Circuit | ECM, PCM | DTC P1481 in Engine Cooling |
| P1482 | Cooling Fan Speed Output Circuit | ECM, PCM | DTC P1482 in Engine Cooling |
| P1484 | Cooling Fan System Performance | ECM, PCM | DTC P1484 in Engine Cooling |
| P1516 | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance | ECM, PCM | DTC P1516
in Engine Controls - 4.2L or DTC P1516 in Engine Controls - 5.3L |
| P1574 | Stoplamp Switch Circuit | PCM | DTC P1574 in Cruise Control |
| P1621 | Transmission Control Module (TCM) Long Term Memory Performance | TCM | DTC P0601-P0604 or P1621 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| Control Module Long Term Memory Performance | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
|
| P1626 | Theft Deterrent Fuel Enable Signal Lost | BCM | DTC P1626 in Theft Deterrent |
| P1630 | Theft Deterrent Learn Mode Active | ECM, PCM | DTC P1630
in Theft Deterrent or DTC P1630 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| P1631 | Theft Deterrent Fuel Enable Signal Not Correct | ECM, PCM | DTC P1631 in Theft Deterrent |
| P1631 | Theft Deterrent Fuel Enable Signal Not Correct | ECM, PCM | DTC P1631 in Theft Deterrent - Immobilizer - Some Export Vehicles |
| P1632 | Theft Deterrent Fuel Disable Signal Received | ECM, PCM | DTC P1632 in Theft Deterrent |
| P1633 | Ignition 0 Switch Circuit | ECM, PCM | DTC P1633 in Engine Electrical |
| P1634 | Ignition 1 Switch Circuit | ECM, PCM | DTC P1634 in Engine Electrical |
| P1637 | Generator L-Terminal Circuit | ECM, PCM | DTC P1637 in Engine Electrical |
| P1681 | Control Module Throttle Position (TP) System Performance | PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 4.2L |
| P1682 | Ignition 1 Switch Circuit 2 | ECM, PCM | DTC P1682
in Engine Controls - 4.2L or DTC P1682 in Engine Controls - 5.3L |
| P1689 | Traction Control Delivered Torque Output Circuit | PCM, TCM | DTC C0287, P1644, or P1689 in Antilock Brake System |
| P1810 | Transmission Fluid Pressure (TFP) Position Switch Circuit | PCM, TCM | DTC P1810 (4.2L) or DTC P1810 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P1815 | Transmission Fluid Pressure (TFP) Valve Position Switch - Start in Wrong Range | TCM | DTC P1815 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P1816 | Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Park/Neutral (P/N) with Drive Ratio | TCM | DTC P1816 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P2101 | Control Module Throttle Actuator Position Performance | ECM, PCM | DTC P2101
in Engine Controls - 4.2L or DTC P2101 in Engine Controls - 5.3L |
| P2119 | Throttle Closed Position Performance | ECM, PCM | DTC P2119
in Engine Controls - 4.2L or DTC P2119 in Engine Controls - 5.3L |
| P2120 | Accelerator Pedal Position (APP) Sensor 1 Circuit | ECM, PCM | DTC P2120
in Engine Controls - 4.2L or DTC P2120 in Engine Controls - 5.3L |
| P2122 | Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage | ECM, PCM | DTC P2122
in Engine Controls - 4.2L or DTC P2122 in Engine Controls - 5.3L |
| P2123 | Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage | ECM, PCM | DTC P2123
in Engine Controls - 4.2L or DTC P2123 in Engine Controls - 5.3L |
| P2125 | Accelerator Pedal Position (APP) Sensor 2 Circuit | ECM, PCM | DTC P2125
in Engine Controls - 4.2L or DTC P2125 in Engine Controls - 5.3L |
| P2127 | Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage | ECM, PCM | DTC P2127
in Engine Controls - 4.2L or DTC P2127 in Engine Controls - 5.3L |
| P2128 | Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage | ECM, PCM | DTC P2128
in Engine Controls - 4.2L or DTC P2128 in Engine Controls - 5.3L |
| P2135 | Throttle Position (TP) Sensor 1-2 Correlation | ECM, PCM | DTC P2135
in Engine Controls - 4.2L or DTC P2135 in Engine Controls - 5.3L |
| P2138 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation | ECM, PCM | DTC P2138
in Engine Controls - 4.2L or DTC P2138 in Engine Controls - 5.3L |
| P2176 | Minimum Throttle Position Not Learned | ECM, PCM | DTC P2176
in Engine Controls - 4.2L or DTC P2176 in Engine Controls - 5.3L |
| P2610 | Control Module Ignition Off Timer Performance | ECM, PCM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610
in Engine Controls - 4.2L or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 5.3L |
| P2761 | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit | PCM, TCM | DTC P2761 (4.2L) in Automatic Transmission - 4L60-E/4L65-E |
| P2763 | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage | TCM | DTC P2763 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P2764 | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage | TCM | DTC P2764 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P2769 | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit Low Voltage | TCM | DTC P2769 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P2770 | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit High Voltage | TCM | DTC P2770 (5.3L) in Automatic Transmission - 4L60-E/4L65-E |
| P2A01 | HO2S Performance Sensor 2 | PCM | DTC P2A01 in Engine Controls - 4.2L |
| P3401 | Cylinder 1 Deactivation Solenoid Control Circuit | ECM | DTC P3401 in Engine Controls - 5.3L |
| P3425 | Cylinder 4 Deactivation Solenoid Control Circuit | ECM | DTC P3425 in Engine Controls - 5.3L |
| P3441 | Cylinder 6 Deactivation Solenoid Control Circuit | ECM | DTC P3441 in Engine Controls - 5.3L |
| P3449 | Cylinder 7 Deactivation Solenoid Control Circuit | ECM | DTC P3449 in Engine Controls - 5.3L |
| U0101 | Lost Communication with Transmission Control Module (TCM) | ECM | DTC U0100-U0299 in Computer/Integrating Systems |
| U1000 | Class 2 Data Link Malfunction | BCM, DDM, DRR, DSM, DVD Player, EBCM, EGM, PDM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, LGM, PCM, PRM, Radio, SDM, TCSCM, VCIM, VTD | DTC U1000 in Computer/Integrating Systems |
| U1016 | Lost Communications With Powertrain/Engine Control Module (PCM/ECM) | BCM, DDM, DSM, DVD Player, EGM, PDM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, PRM, Radio, SDM, TCSCM, VTD | DTC U1001-U1254 in Computer/Integrating Systems |
| U1026 | Lost Communications With Transfer Case Shift Control Module (TCSCM) | IPC, PCM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1041 | Lost Communications With Electronic Brake Control Module (EBCM) | IPC, PCM, SDM, TCSCM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1064 | Lost Communications With Body Control Module (BCM) | DSM, DVD Player, EGM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, PRM, Radio, PCM, SDM, TCSCM, VCIM, VTD | DTC U1001-U1254 in Computer/Integrating Systems |
| U1088 | Lost Communications With Inflatable Restraint Sensing and Diagnostic Module (SDM) | IPC, Radio, VCIM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1096 | Lost Communications With Instrument Panel Cluster (IPC) | BCM, EGM, PRM, SDM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1128 | Lost Communications With Radio | HVAC Control Module - Auxiliary | DTC U1001-U1254 in Computer/Integrating Systems |
| U1133 | Lost Communications With DVD Player | Radio | DTC U1001-U1254 in Computer/Integrating Systems |
| U1137 | Lost Communications With Digital Radio Receiver (DRR) | Radio | DTC U1001-U1254 in Computer/Integrating Systems |
| U1151 | Lost Communications With Communication Interface Module (OnStar®) | Radio | DTC U1001-U1254 in Computer/Integrating Systems |
| U1152 | Lost Communications With HVAC Control Module | DDM, EGM, PDM, LGM, HVAC Control Module - Auxiliary, PCM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1160 | Lost Communications With Driver Door Module (DDM) | BCM, DSM, PDM, IPC | DTC U1001-U1254 in Computer/Integrating Systems |
| U1161 | Lost Communications With Passenger Door Module (PDM) | BCM, DDM, IPC | DTC U1001-U1254 in Computer/Integrating Systems |
| U1162 | Lost Communications With Lift Gate Module (LGM)/ End Gate Module (EGM) | BCM, IPC, PRM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1166 | Lost Communications With Driver Seat Module (DSM) | DDM, FPDM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1167 | Lost Communications With Rear Auxiliary HVAC Control Module | HVAC Control Module, Radio | DTC U1001-U1254 in Computer/Integrating Systems |
| U1173 | Lost Communications With Power Roof Module (PRM) | EGM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1192 | Lost Communications With Vehicle Theft Deterrent (VTD) | BCM, PCM | DTC U1001-U1254 in Computer/Integrating Systems |
| U1241 | Lost Communication With Scan Tool | SDM | DTC U1241 in SIR |
| U1300 | Class 2 Data Link Low | DVD Player, HVAC Control Module, IPC, PCM, Radio, SDM, VCIM | DTC U1300, U1301, or U1305 (5.3L) or DTC U1300, U1301, or U1305 (4.2L) in Computer/Integrating Systems |
| U1301 | Class 2 Data Link High | DVD Player, HVAC Control Module, IPC, PCM, Radio, SDM, VCIM | DTC U1300, U1301, or U1305 (5.3L) or DTC U1300, U1301, or U1305 (4.2L) in Computer/Integrating Systems |
| U1305 | Class 2 Data Link Low or High | BCM, DSM, HVAC Control Module - Auxiliary, PRM | DTC U1300, U1301, or U1305 (5.3L) or DTC U1300, U1301, or U1305 (4.2L) in Computer/Integrating Systems |
| U1500 | Inter-Device Dedicated Bus Malfunction | OnStar® VCIM | DTC U1500 in Cellular Communication |
| U2100 | High Speed CAN Communication Bus | TCM | DTC U2100 in Computer/Integrating Systems |
| U2105 | Lost Communication With Engine Control Module (ECM) | TCM | DTC U2105-U2199 in Computer/Integrating Systems |
| 001 | System Disabled Information Stored | Air Suspension Compressor Assembly | DTC 001 in Air Suspension |
| 002 | Left Rear Position Sensor Circuit | Air Suspension Compressor Assembly | DTC 002 in Air Suspension |
| 003 | Right Rear Position Sensor Circuit | Air Suspension Compressor Assembly | DTC 003 in Air Suspension |
| 023 | Seat Belt Tension Sensor Circuit Out of Range | PPS | DTC 023 in SIR |
| 024 | PPS Ignition 1 Voltage Performance | PPS | DTC 024 in SIR |
| 063 | PPS Out of Calibration | PPS | DTC 063 in SIR |
| 064 | PPS Communication/ID Performance | PPS | DTC 064 in SIR |
| 065 | PPS Sensor Circuit Out of Range | PPS | DTC 065 in SIR |