VOLVO
CEM-1A04 - X-Power supply. Signal too low. Intermittent fault
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Feilkoden har ulik betydning avhengig av modell, årsmodell eller motor. Velg betydningen som gjelder din bil.
Gjelder følgende modeller:
5 modellerS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Hva betyr feilkoden?
The CEM has registered an open circuit or a short to ground in the X-supply from the ignition switch, and the fault is intermittent. It was present at an earlier time but is no longer there, so it may come and go.
Mulige årsaker
- Contact resistance in the terminals
- Open circuit or short to ground in the X-supply
- Defective ignition switch
Hva du kan gjøre
- 1Check that the connectors at the CEM and the ignition switch are secure and free from corrosion
- 2Lightly move the wiring at the connectors and see whether the fault returns
- 3Check with a multimeter that the X-supply wire has voltage when the ignition is on
- 4If the fault returns, have a workshop replace the ignition switch
Symptomer du kan merke3
- The blower fan does not operate
- The radio is not working
- The starter motor does not turn
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.