Code 8 - No Dump Valve
- Unplug computer module connector. Check resistance between terminals No. 14 and 8, and ground. If resistance is 1-3 ohms, replace computer module. If resistance is less than one ohm, unplug electro-hydraulic valve connector.
- Check resistance between terminals No. 1 and 3. If resistance is less than one ohm, replace electro-hydraulic valve. If resistance is 1-3 ohms, repair shorted wire between terminal No. 1 on electro-hydraulic connector and computer module.