VOLVO
CEM-1A40 - 50-power supply. Activated too long
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
5 modellerC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Hva betyr feilkoden?
The CEM has registered that the start position (key position III) has been active for a long time, and the fault code is set. The cause is that the signal wire from the ignition switch is short-circuited to battery voltage, or that the ignition switch is faulty.
Mulige årsaker
- Signal wire from the ignition switch short-circuited to battery voltage
- Ignition switch defective
Hva du kan gjøre
- 1Check with a multimeter that the start wire from the ignition switch has no battery voltage when the key is released
- 2If you have a diagnostic tool, read the code after the key is released and note whether it returns
- 3Clear the code only after the cause has been fixed
- 4If the fault remains, have a workshop replace the ignition switch
Symptomer du kan merke1
- The starter motor continues to turn slowly after the ignition key has been released
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.