Diagnostic Trouble Code (DTC) Information CEM-9E01

Condition 

The Central electronic module (CEM) powers the courtesy lighting.

The diagnostic trouble code (DTC) is stored if the Central electronic module (CEM) detects a faulty signal on the output for the courtesy lighting.

The diagnostic trouble codes (DTCs) can be diagnosed when the courtesy lighting is lit.

Substitute Value 

• If the fault has been detected in 100 ignition cycles, the output is closed permanently until the diagnostic trouble code is erased (applies from structure week 200539).

Possible Source 

• Short-circuit to ground in the power supply cable.

Fault symptom[s] 

• Interior light does not work