Diagnostic Trouble Code (DTC) Information CEM-8F23

Condition 

Fig 1: Identifying Central Electronic Module (CEM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The central electronic module (CEM) checks the windshield wipers.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the signal at the relay coil is too high when the windshield wipers are activated.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• None.

Possible Source 

• Short-circuit to supply voltage in the relay coil.

Fault symptom[s] 

• The windshield wipers are not working.