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FSM-U300066: Control Module. Algorithm Based Failures. Signal Has Too Many Transitions / Events (2007-2012): Fault-Tracing: Fault-Tracing

Fig 1: Identifying Ignition ON

GLL101053

Courtesy of VOLVO CARS CORPORATION

Ignition off for 10 seconds and then on again.
Check and rectify the diagnostic trouble codes in the following control modules and order.
1. Forward Sensing Module (FSM).
2. Engine control module (ECM).
3. Brake control module (BCM).
4. Central electronic module (CEM).
5. Driver information module (DIM):
Once the fault has been rectified the diagnostic trouble code (DTC) must be deleted from the above control modules.

NOTE:
Deletion of the diagnostic trouble codes in the above control modules must take place in the same driving cycle.

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Refer to VERIFICATION