Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2004XC90 AWD L5-2.5L TURBO VIN 59 B5254T2REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESREPLACING THE TRANSMISSION CONTROL MODULE (TCM)
2004 Volvo XC90 AWD L5-2.5L Turbo VIN 59 B5254T2
Replacing the Transmission Control Module (TCM)
2004 Volvo XC90 AWD L5-2.5L Turbo VIN 59 B5254T2SECTION Replacing the Transmission Control Module (TCM)
Replacing the transmission control module (TCM)
The control module probably has an internal fault. Replace the transmission control module.
Other information
- To replace the transmission control module (TCM), see Transmission control module (TCM), replacing Service and Repair.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.