VOLVO
CEM-8F44 - Windshield wiper lever. Faulty signal
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The code concerns the front and rear washer switches being active at the same time on the windshield wiper lever. The CEM reacts to this, and then neither the front nor the rear washing works.
Possible causes
- Damaged windshield wiper lever
What you can do
- 1Clear the code and check whether it returns with the ignition on
- 2Test the washer positions of the lever one at a time and see whether two are active together
- 3If the fault only shows now and then, operate the lever several times to see whether a position sticks
- 4Check that the lever is firmly held in its position and not loose
- 5If the fault returns, have a workshop replace the wiper switch
Symptoms you may notice2
- The rear washer motor does not work
- The windscreen washer motor does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.