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Home >> Volvo >> 2009 >> XC90 Base, FWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Rear Electronic Module (Rem) And Upper Electronic Module (UEM) Diagnostic Trouble Codes >> Rem-8F43: Tailgate Wiper Relay. Signal Too Low. Permanent Fault (2003-2004) >> Signal Too Low. Permanent Fault >> Replacing The Component
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Replacing The Component

Check the tailgate wiper fuse; replace as necessary.

Remove relay 2/16 and check the relay base switches for contact resistance and oxidation.

Fit a new relay.

Other information: 

Fig 1: Identifying Relay / Fuse Box
GLL101660Courtesy of VOLVO CARS CORPORATION