Diagnostic Trouble Code (DTC) Information CEM-8F2D

Condition 

Fig 1: Identifying Windshield Wiper Lever

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) detects that the windshield wipers are deployed somewhere on the windshield for longer than 5 seconds and the steering wheel module (SWM) indicates that the windshield wipers should not be activated.

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

Substitute Value 

• None.

Possible Source 

• Damaged windshield wiper motor
• Short-circuit to ground in the power supply cable.

Fault symptom[s] 

• The windshield wipers are not working
• No rain sensor function.