VOLVO
CEM-1C04 - 30 Power supply. Signal too high. 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 voltage from the battery on the 30-supply is too high. The fault is intermittent, so it may have occurred before without being active now. The usual cause is a defective generator or battery. High voltage can burn out headlight bulbs and make the battery electrolyte boil.
Mulige årsaker
- Defective generator
- Defective battery
Hva du kan gjøre
- 1Check that the battery terminals and cable connections are clean, tight and free of corrosion
- 2Check that the generator drive belt is correctly seated and not worn
- 3Check that the battery is not swollen or leaking. Replace it if it is damaged
- 4If you have a diagnostic tool, follow the battery voltage in live data with the engine running. The fault may be intermittent
- 5After the work, clear the code and check that the charging warning does not light again
Symptomer du kan merke3
- The charging lamp lights while the engine is running
- The headlight bulbs burn out
- The battery electrolyte may boil with the engine running
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