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.

2009 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Theft Deterrent Module Replacement

Fig 1: Theft Deterrent Module Replacement

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure

Remove the steering column shroud. Refer to Steering Column Shroud Replacement
Remove the steering wheel inflatable restraint module. Refer to Steering Wheel Inflatable Restraint Module Replacement
Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement

Theft Deterrent Module

Procedure

Disconnect the electrical connector.
Refer to Control Module References for programming and set up procedures.

Factory Service Tools

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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.