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Home >> Volvo >> 2010 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM) And Rear Electronic Module (Rem) - Diagnostic Trouble Codes >> Rem-1A03: Relay, Extended Power Supply. Signal Too Low. Permanent Fault (2003-2004) >> Signal Too Low. Permanent Fault >> Replacing The Component
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Replacing The Component

Remove relay 2/72 and check the relay base switches for contact resistance and oxidation according to CHECKING WIRING AND TERMINALS. PERMANENT FAULT .

Install a new relay.

Other information: 

Fig 1: Identifying Relays And Terminals
GLL101660Courtesy of VOLVO CARS CORPORATION