CEM-1C04
VOLVO
CEM-1C04 - 30 Power supply. Signal too high. Intermittent fault
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Dieser Fehlercode hat je nach Modell, Modelljahr oder Motor unterschiedliche Bedeutungen. Wählen Sie die Bedeutung, die für Ihr Fahrzeug gilt.
Gilt für folgende Modelle:
5 ModelleS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (5)
Was bedeutet der Fehlercode?
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.
Mögliche Ursachen
- Defective generator
- Defective battery
Was Sie tun können
- 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
Symptome, die Sie bemerken können3
- The charging lamp lights while the engine is running
- The headlight bulbs burn out
- The battery electrolyte may boil with the engine running
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.