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Home >> Volvo >> 2013 >> XC90 Base, AWD >> Repair and Diagnosis >> Steering >> Electronic Steering >> Steering Wheel Module (SWM) And Steering Angle Sensor (SAS) Diagnostic Trouble Codes >> SWM-0008: Communication With Steering Wheel Buttons. Signal Too Low. Permanent Fault (2003-2004) >> Signal Too Low. Permanent Fault >> Checking The Contact Reel

Checking The Contact Reel

Check that the upper connector on the switch for the cruise control is correctly connected.

Disconnect the upper switch on the switch for the cruise control. Take voltage readings between terminals #B1 (26) and #B3 (28) (on the cable connector). The fault is probably in the contact reel if the voltage is 0 V. The fault is probably in the switch for the cruise control if the voltage is approximately 12 V.

Remedy as necessary.

Other information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Voltage Display
GLL101041Courtesy of VOLVO CARS CORPORATION