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.
Theft Deterrent Control Module Replacement Using New Keys
If the theft deterrent control module is replaced and new vehicle keys are being made, the following procedure must be performed:
- Set Up a New Theft Deterrent Module (TDM) Using New Keys-Refer to Programming Theft Deterrent System Components
in Theft Deterrent.
This step will set-up the replacement TDM.
- 10-minute Relearn Procedure-Refer to Programming Theft Deterrent System Components
in Theft Deterrent. Use the VTD Learn for L61 or VTD Learn for LX9 calibration with this step.
This step will allow the powertrain control module (PCM) to learn the replacement TDMs incoming fuel continue password.
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.