VOLVO
ECM-3450 - Knock sensor (KS), test pulse. Internal fault
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleS40 (2004–2013), V50 (2004–2013)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
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.
Mögliche Ursachen
- Damaged engine control module
Was Sie tun können
- 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
Symptome, die Sie bemerken können2
- Reduced performance
- Malfunction indicator (emissions lamp) is lit
Was der Fehler beeinflussen kann1
- Ignition timing is retarded for safety reasons
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.