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Home >> Volvo >> 2004 >> V40 Base >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM) - Vehicle Communication Information >> Vehicle Communication Information. Central Electronic Module (CEM) (2000-2004) >> Description of programmed data >> Notes

Description of programmed data: Notes

Both the new control modules for the central electronic module (CEM) and the control modules supplied as replacement parts are preprogrammed with the values from the factory. These preprogrammed values may differ depending on the version of the central electronic module (CEM).

Programming must be carried out when replacing the central electronic module (CEM), after market installation of front fog lamps, or when the customer wishes to modify the function of the tailgate wiper or approach lights.

NOTE: If an internal error occurs in the control module, it will control the output signals according to preprogrammed values.