Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Control Modules, Restraint System, Starter, Sun Roof, Tire Pressure Monitoring, Transmission - Design And Function) >> Transmission Control Module (TCM) (Aw50/51 AWD; Aw55-50/51SN; 2001-2007) >> Design >> Control module

Control module

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Transmission Control Module (TCM)
GLL104332Courtesy of VOLVO CARS OF NORTH AMERICA.

The transmission control module (TCM) is positioned in an air cooled plastic box in the engine compartment together with the engine control module (ECM).