VOLVO
CEM-B1D1896 - Volumetric sensor. Component Failures. Component internal failure
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The movement sensor (IMS) checks its own function and reports an internal fault to the central electronic module (CEM). The code is set when the CEM receives that fault message, and The sensor then does not trigger the alarm as it should, and a message may be shown in the text display.
Possible causes
- Internal fault in the movement sensor (IMS)
What you can do
- 1Read and clear the code and arm the alarm to see whether the fault returns
- 2Check that the sensor connector is fully seated and not corroded
- 3Look for visible damage or moisture on the sensor
- 4Have a workshop with diagnostic equipment check the sensor and replace it if the fault remains
Symptoms you may notice2
- The alarm does not respond to the sensor
- Message in the text display
General guidance for car owners. Diagnosis on the car can point to a different cause.