VOLVO
ECM-3460 - 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 filters the knock sensor signal internally, and here it has found a fault in the filter of the knock control circuit. The fault points to the control module itself rather than an external component.
Mulige årsaker
- Damaged engine control module
Hva du kan gjøre
- 1Clear the code and start the engine to see whether it returns
- 2Check that the engine control module connectors are secure and free from oxidation
- 3Check the fuses for the engine control module
- 4If the fault remains, have a workshop check the control module with diagnostic equipment and replace it if needed
Symptomer du kan merke2
- Deterioration in performance
- Malfunction indicator (emissions lamp) is lit
Hva feilen kan påvirke1
- Ignition timing is retarded for safety reasons
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