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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 670 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSTHEFT DETERRENT CONTROL MODULE PROGRAMMING AND SETUP (CANADA)SET UP A THEFT DETERRENT MODULE (TDM) USING NEW KEYSNOTES
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Set Up a Theft Deterrent Module (TDM) Using New Keys: Notes
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Use this procedure only if replacing the TDM using new vehicle keys.
The TDM must be replaced prior to beginning this procedure.
The TDM must be replaced prior to beginning this procedure.
- Connect a scan tool to the vehicle.
- With a new, unlearned, vehicle key, turn ON the ignition, with the engine OFF.
- With a scan tool, select Theft Deterrent Module in the Vehicle Control Systems Module Setup data list.
- Select Step 1.
- Select Use New Keys.
- Follow the scan tool on-screen instructions.
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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.