VOLVO
CEM-B11D914 - Vehicle Battery. General Electrical Failures. Circuit short to ground or open
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
7 ModelleS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Was bedeutet der Fehlercode?
This fault code only applies to cars with automatic engine start/stop. The CEM monitors the voltage from the secondary battery, and the fault is stored when the value is wrong for too long. Common causes are poor connections, a damaged fuse, or a weak or damaged battery.
Mögliche Ursachen
- Contact resistance or oxidation in the connections
- Damaged fuse for the power supply
- Open circuit in the supply wire from the secondary battery
- Open circuit in the earth wire of the secondary battery
- Poorly charged battery or corroded connection cables
- Damaged battery
Was Sie tun können
- 1Check that the battery is fully charged and is not swollen or leaking
- 2Check the connections to the secondary battery: corroded or loose terminals should be cleaned and tightened
- 3Check that the fuse for the power supply from the secondary battery is intact
- 4Check the earth wire from the secondary battery for breaks and loose connectors
- 5If the fault returns after these checks, have a workshop with diagnostic equipment check the battery and the wiring
Symptome, die Sie bemerken können2
- The automatic start/stop function does not work while driving
- The automatic start/stop function does not work at idle
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.