DTC 16988

SAE VAG Description
P0604 16988 Internal Control Module Random Access Memory (RAM) Error

J220 - Motronic Engine Control Module (ECM)

- Engine Control Module (ECM) replacing.

Note: Check activation of power supply relay -J271- according to wiring diagram.

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