Diagnostic Trouble Code (DTC) Information CEM-8F31

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) registers that the switch for single sweep and low speed wiping are active at the same time for more than 2.5 seconds.

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

Substitute Value 

• The windshield wipers only operate at lowest speed.

Possible Source 

• Damaged windshield wiper lever.

Fault symptom[s] 

• The windshield wipers only operate at lowest speed.