DTC 18012

SAE VAG Description
P1604 18012 Internal Control Module Driver Error

J220 - Motronic Engine Control Module (ECM)
- Engine Control Module (ECM) replacing.
- Voltage supply for Engine Control Module (ECM) checking. Voltage Supply For Engine Control Module (ECM), Checking

Note:
- Check activation of power supply relay -J271- according to wiring diagram.
- Replace engine control module.