DTC 17070

SAE VAG Description
P0686 17070 ECM / PCM Power Relay Control Circuit Low

Motronic Engine Control Module (ECM) power supply relay
- Check activation of Motronic Engine Control Module (ECM) power supply relay -J271- according to wiring diagram.

Voltage supply for Motronic Engine Control Module (ECM)
- Voltage supply for Engine Control Module (ECM), checking. Engine Control Module (ECM) Voltage Supply, Checking