VOLVO
CEM-3F0A - Reverse gear inhibit. Faulty signal
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Hva betyr feilkoden?
This variant applies to the C30, C70, S40 and V50. The CEM checks the reverse gear inhibitor. The fault is set if the circuit is shorted to battery voltage or has a break. Then reverse gear cannot be engaged.
Mulige årsaker
- An open circuit in the signal cable to the reverse gear inhibitor
- The signal cable to the reverse gear inhibitor is shorted to battery voltage
Hva du kan gjøre
- 1With the ignition on, try to engage reverse gear and check whether the inhibitor activates
- 2Check that the connectors at the reverse gear inhibitor are seated and not corroded or chafed
- 3Use a multimeter to check that the signal wire to the inhibitor has no break or short to voltage
- 4After the work, clear the code and check that reverse gear can be engaged
Symptomer du kan merke1
- Reverse gear cannot be engaged
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.