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 MANUALSVOLVO2007S40 T-5, AWD, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSTRANSMISSION CONTROL MODULE (TCM) DIAGNOSTIC TROUBLE CODES - 1 OF 2 (544 BODY)TCM-0099: TRANSMISSION CONTROL MODULE (TCM). INTERNAL FAULT (AW50/51 AWD; 2005-10)INTERNAL FAULTREPLACING CONTROL MODULE AND PROGRAMMING
2007 Volvo S40 T-5, AWD, Automatic
Replacing Control Module And Programming
2007 Volvo S40 T-5, AWD, AutomaticSECTION Replacing Control Module And Programming
The transmission control module (TCM) has registered an internal fault.
CAUTION:
A new control module is delivered without software. The transmission control module (TCM) must be programmed when it has been replaced.
For further information about programming and replacing the control module, see TRANSMISSION CONTROL MODULE (TCM) and TRANSMISSION CONTROL MODULE (TCM) .
RENDER: 1.0x
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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.