Diagnostic Trouble Code (DTC) Information CEM-8F26

Condition 

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

The diagnostic trouble code (DTC) is stored if the Central electronic module (CEM) detects too high a signal on the output for the windshield wiper low/high speed relay.

The diagnostic trouble codes (DTCs) can be diagnosed when windshield wipers are activated, full speed.

Fig 1: Identifying Windshield Wiper Switch

Courtesy of VOLVO CARS OF NORTH AMERICA.

Substitute Value 

• None.

Possible Source 

• Short-circuit to supply voltage in the cable.

Fault symptom[s] 

• Windshield wiper does not work