VOLVO
CEM-B102481 - Start control unit. Bus Signal / Message Failures. Invalid serial data received
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
9 modellerS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Hva betyr feilkoden?
The central electronic module (CEM) checks communication with the ignition lock control unit (SCU) and the ignition lock antenna unit (IAU). The fault code is stored when the serial communication from one of them is incorrect, and starting can then be affected.
Mulige årsaker
- Incorrect communication from the ignition lock control unit (SCU)
- Incorrect communication from the ignition lock antenna unit (IAU)
Hva du kan gjøre
- 1Check that the connectors and wiring to the starter lock and the antenna unit are secure and not corroded
- 2Check that the fuses are intact
- 3The code can mean a unit was programmed for another car, which only a workshop can fix, so have one checked and replaced if needed
- 4Clear the fault code only after the workshop has dealt with the fault, then road test to confirm that starting works
Symptomer du kan merke4
- The starter motor does not turn over
- A message appears in the information display
- The engine does not start, and starting may be unreliable, at times or all the time
- The immobiliser warning light does not show the correct status
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