Set Up a Theft Deterrent Module (TDM) Using New Keys

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Set Up a Theft Deterrent Module (TDM) Using New Keys
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 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.
  1. Connect a scan tool to the vehicle.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, select TDM in the Vehicle Control Systems Module Replacement/Setup data list.
  4. Select Step 1.
  5. Select Use New Keys.
  6. Follow the scan tool on-screen instructions.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.