XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)
Body Control Module: Service and Repair
Central Electrical Unit Engine Compartment
Central electrical unit engine compartment, replacing
Note! As the illustrations in this service information are used for different model years and/or models, some variation may occur. However, the
essential information in the illustrations is always correct.
Disconnect the battery negative lead. See Battery, replacing See: Starting and Charging/Battery/Service and Repair/Removal and Replacement.
Also see Battery, disconnecting See: Starting and Charging/Battery/Service and Repair/Procedures/Battery, Disconnecting
Remove the power steering fluid and coolant reservoirs. Lift up and move to one side
Remove the cover from the central electrical unit
Remove the engine control module (ECM) Engine control module (ECM), replacing See: Engine Control Module/Service and Repair. Remove the
transmission control module (TCM) Transmission control module (TCM), replacing See: Relays and Modules - Transmission and
Drivetrain/Relays and Modules - A/T/Control Module/Service and Repair.
Removing the central electrical unit