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 MANUALSCHEVROLET2010AVEO LT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMREPAIR INSTRUCTIONSIMMOBILIZER SYSTEM COMPONENT PROGRAMMINGECM TO TDM LINK PROCEDURE
2010 Chevrolet Aveo LT, 4D Hatchback, Standard
ECM To TDM Link Procedure
2010 Chevrolet Aveo LT, 4D Hatchback, StandardSECTION ECM To TDM Link Procedure
This procedure will relearn the prerelease password and the challenge/response data between the theft deterrent module (TDM) and the engine control module (ECM) after replacing the ECM or TDM. Refer to Service Programming System (SPS) .
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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.