VOLVO
ECM-180C - EGR position sensor. Faulty signal
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleS40 (1996–2004), V40 (1996–2004)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
When the ignition is switched on, the ECM checks that the EGR valve is in the correct position. The valve is controlled by pulse width and has a position sensor. If it is in the wrong position at switch-on, fault code ECM-180C is set.
Mögliche Ursachen
- Defective EGR valve
- Contact resistance or oxidation in the EGR valve connector
- Open circuit or short circuit in the signal wire
- Supply wire shorted to voltage or ground
Was Sie tun können
- 1Switch off the ignition and check the EGR valve connector for play, contact resistance and oxidation
- 2If you have a diagnostic tool: with the ignition on, read the EGR valve position in live data and check that it stays steady
- 3With a multimeter, check that the signal and supply wires to the EGR valve are not broken or shorted to ground or voltage
- 4If the fault remains, have a workshop check the EGR valve
Symptome, die Sie bemerken können1
- No noticeable symptoms for the driver
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.