VOLVO
ECM-3450 - Knock sensor (KS), test pulse. Internal fault
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerS40 (2004–2013), V50 (2004–2013)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
The engine control module has detected an internal fault in the knock control circuit, meaning in its own part. The fault points to the control module itself, and it shows as reduced performance and a lit malfunction indicator.
Mulige årsaker
- Damaged engine control module
Hva du kan gjøre
- 1Clear the code and road test the car to see whether it returns
- 2Check that the engine control module connectors are secure and clean
- 3Check that the battery, the earth connections and the fuses for the control module are in order
- 4If the fault remains, have a workshop with diagnostic equipment decide whether the control module needs replacing
Symptomer du kan merke2
- Reduced performance
- Malfunction indicator (emissions lamp) is lit
Hva feilen kan påvirke1
- Ignition timing is retarded for safety reasons
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.