FEFEFF Mercedes Fault Code :

Read the description of FEFEFF in CGW04T and the engine lights up for CGW04T Fault Codes code, there are some possible causes for it.

CAN communication with component '01G17 (Mild hybrid battery MHS2 control unit) / 18U08 (Ancillaries power inverter API4 control unit)' is interrupted.

Check Similar Module Codes :

Mercedes Trucks And Cars Fault Code List.

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