Diagnostic Trouble Code (DTC) Information CEM-1201

Condition 

Fig 1: Identifying Central Electronic Module (CEM)

Courtesy of VOLVO CARS CORPORATION

The central electronic module (CEM) checks that the car configuration file has the correct number of parameters.

The diagnostic trouble code (DTC) is stored if the Central Electronic Module (CEM) registers an incorrect number of parameters in the vehicle configuration.

The diagnostic trouble codes (DTCs) can be detected when the central electronic module (CEM) is initiated after a reset.

Substitute Value 

• None.

Possible Source 

• Incorrect number of parameters in the vehicle configuration file.

Fault symptom[s] 

• No gages operating
• Instrument lighting not operating
• Direction indicators, malfunction
• Poor performance