Diagnostic Trouble Code (DTC) Information CEM-De51

Condition

Fig 1: View Of Driver Information Module (DIM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that communication with the driver information module (DIM) is not operating.

NOTE:

In the event of CEM-DEXX diagnostic trouble codes (DTCs) being stored the central electronic module (CEM) must not be replaced; the diagnostic trouble code (DTC) indicates a communication fault in the Control area network

The diagnostic trouble code (DTC) can be diagnosed when the ignition has been on for at least 10 seconds.

Substitute Value

None.

Possible Source

No power supply to the driver information module (DIM)
Open-circuit in the ground lead to the driver information module (DIM)
Damaged fuse.
Contact resistance in the terminals
Open-circuit in the wiring for the CAN low speed network to the drive information module (DIM)
The driver information module (DIM) is not intended for this car (for example a used control module with different software/hardware).

Fault symptom[s]

No gauges working
The instrument lighting does not operate.
Combined instrument panel does not function