2003 Volvo XC90 Base, FWDFACTORY OEM SERVICE PROCEDURE

Heated Rear Windshield And Door Mirrors

Fig 1: Identifying Heated Rear Windshield & Door Mirror System Components
GLL146625Courtesy of VOLVO CARS CORPORATION

The heated rear windshield and door mirrors are activated by pressing the switch on the climate control module (CCM) (3/112). The climate control module (CCM) transmits information via the controller area network (CAN) indicating the status of the electrical heating to the following:

  • rear electronic module (REM) (4/58)
  • driver door module (DDM) (3/126)
  • passenger door module (PDM) (3/127).
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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