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 MANUALSCHEVROLET2011CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 6.6 LREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSTHEFT DETERRENT MODULE PROGRAMMING AND SETUP
2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 L
Theft Deterrent Module Programming And Setup
2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 LSECTION Theft Deterrent Module Programming And Setup
- Connect a scan tool to the vehicle in the Passero arrangement.
- Turn ON the ignition, with the engine OFF.
- Ensure that all power consuming devices are turned OFF on the vehicle.
- On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions. Go to DTM Theft Deterrent Module from the controller list and select the appropriate on-screen calibration options.
- After the programming has completed, turn the ignition OFF for 30 seconds.
- Turn ON the ignition with the engine OFF.
- On the Techline Terminal, go to V.T.D. Vehicle Theft Deterrent Learn from the controller list and select Vehicle Theft Deterrent Learn, ECM or PK3 Replaced. Follow the on-screen instructions.
- At this point the scan tool must remain connected for the duration of the 10-minute relearn procedure.
- The Techline Terminal will initially display 12 Minutes. The first 2 minutes allow the scan tool to initialize the appropriate control module. The remaining 10 minutes is the relearn timer.
- On some vehicles the security indicator may be illuminated for the duration of the 10-minute relearn procedure.
- Observe the scan tool, after approximately 12 minutes the scan tool will display "Programming Successful, Turn OFF Ignition". The vehicle is now ready to relearn the key information and/or the passwords on the next ignition switch transition from OFF to CRANK.
- Turn OFF the ignition and wait 2 minutes.
- With a master vehicle key, turn the ignition to the RUN position for 15 seconds, then start the vehicle. The DTM and ECM have now relearned the pre-release password and the challenge/response data.
- With a scan tool, clear any DTCs.
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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.