Diagnostic Trouble Code Information

Condition 

If windscreen wiper is in its operating position (position on windscreen) but wiper switch is not in an activated position (that is, one of the positions for full/half-speed, intermittent or single sweep wipe), diagnostic trouble code CEM 8F22 is displayed.

Substitute Value 

Only low wiper speed works.

Possible Source 

• Short circuit to ground on switch which indicates operation/rest position
• Defective windscreen wiper lever
• Defective fuse 11C/22.

Fault symptom[s] 

• Wiper only works on lowest speed