VOLVO
CEM-B100A15 - Fuel pump authorisation. General Electrical Failures. Circuit short to battery or open
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Vis modeller per årsmodell og motor (4)
Hva betyr feilkoden?
CEM monitors the voltage on the supply wire feeding the fuel pump. The fault code is stored when the signal wire is broken or touches battery voltage. Starting is then affected.
Mulige årsaker
- Signal cable shorted to battery voltage
- Open circuit in the signal cable to the fuel pump
Hva du kan gjøre
- 1Check that the fuses for the engine control are intact
- 2With the ignition on, check the cable to the fuel pump for chafing, pinching and loose connections
- 3With the ignition on, use a multimeter to check whether the signal cable has voltage; voltage when the ignition is off means a short to battery voltage
- 4Use a multimeter to check whether the cable is broken by testing continuity between the connectors
- 5Remedy the fault and clear the fault code. If starting is still unreliable, have a workshop check the control module and the fuel pump
Symptomer du kan merke2
- The engine does not start
- Starting may be unreliable, either at times or all the time
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