2002 Volvo S80 BaseFACTORY OEM SERVICE PROCEDURE

Control Module

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Control Module
GLL149223Courtesy of VOLVO CARS OF NORTH AMERICA.

The Transmission Control Module (TCM) is integrated with the gear position indicator as one unit. The unit is fitted in the top side of the transmission housing, on the gear selector shaft. The control module's connector is directly connected to the transmission.

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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.