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Home >> Volvo >> 2009 >> XC90 R-Design, AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Power Seat Module (PSM) Diagnostic Trouble Codes >> PSM-001D: Control Module, Relay. Internal Fault. Permanent Fault (2003-2014) >> Internal Fault. Permanent Fault >> Checking Supply
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Checking Supply

Check passenger compartment fuse 4 (11C/4:2).

Check the cable between the power seat module (PSM) connector #A1 and passenger compartment fuse 4 (11C/4:2). Check for an open-circuit. See OPEN-CIRCUIT, PERMANENT FAULTS

If the fuse has blown, fault-trace for a short-circuit to ground. See SHORT-CIRCUIT TO GROUND, PERMANENT FAULTS .

Check connector (54/24:1)

Check passenger compartment fuse 24 (11C/24:2)

Check the cable between power seat module (PSM) supply relay (2/29) #3 and passenger compartment fuse 24 (11C/24:2). Check for a short-circuit to ground. See SHORT-CIRCUIT TO GROUND, PERMANENT FAULTS . Check for an open-circuit. See OPEN-CIRCUIT, PERMANENT FAULTS .

Check that the relay is not defective.

Check the cable between the power seat module (PSM) connector terminal #B1 and power seat supply relay (2/29) #1. Check for a short-circuit to ground. See SHORT-CIRCUIT TO GROUND, PERMANENT FAULTS . Check for an open-circuit. See OPEN-CIRCUIT, PERMANENT FAULTS .

Remedy as necessary.

Other information 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS CORPORATION
Fig 3: Fuse Holder (Passenger Compartment)
GLL104037Courtesy of VOLVO CARS CORPORATION

Were any faults found?