VOLVO
CEM-1A23 - Increased power supply relay. No signal. Intermittent fault
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
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 in the signal wire to the extended X-supply relay, or that the relay is not seated correctly. The fault is intermittent, meaning it comes and goes.
Mulige årsaker
- Incorrectly installed relay
- Contact resistance in the relay terminal
Hva du kan gjøre
- 1Check that the relay sits correctly in its place and is fully pushed in
- 2Check that the relay connection is secure and clean
- 3Clear the code and road test the car to see whether it returns
- 4If the fault returns, have a workshop replace the relay
Symptomer du kan merke3
- Power seat does not operate at all
- The instrument lighting does not operate
- No instruments are working
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