When reading the diagnostic trouble codes from various 2.5L V6 TDI engines, the following non-erasable errors are found in the engine control unit:
01318 - Control unit for fuel injection pump (J399) 34-00 - No fault code detected.
Cause: Software error in the engine control unit.
Remedy:
- Possibly search for radio codes/PINs, etc.
- Disconnect the vehicle battery.
- Wait 5 minutes.
- Access the engine control unit (ECU) using VCDS and clear the fault memory.
Best regards, Rainer.
Translated on 12-10-2026, 6:04.
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