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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 141 (ENGINE CONTROLS SELF-DIAGNOSTICS - 2.2L)PROGRAMMINGPROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS10-MINUTE LEARN PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
10-Minute Learn Procedure
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION 10-Minute Learn Procedure
WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Ensure current Techline(R) Service Programming System (SPS) software is used.
- Connect Tech 2 scan tool to DLC.
- Select "Request Information" under Service Programming.
- Disconnect scan tool from vehicle and connect it to a Techline(R) terminal.
- Using Techline(R) terminal, select "Theft Module Re-Learn" under Service Programming.
- Disconnect scan tool 2 from Techline(R) terminal and connect scan tool to vehicle.
- Turn ignition on, with engine off.
- Select "VTD Re-Learn" under Service Programming on scan tool.
- Attempt to start engine, then release the key to ON position. Vehicle should not start.
- Observe SECURITY indicator light for about 10 minutes. Indicator light will turn off and vehicle is now ready to relearn Passlock(tm) sensor data code and/or password on the next ignition switch transition from OFF to CRANK position.
- Turn ignition off and wait 5 seconds.
- Start engine. If engine starts, vehicle has now learned the password.
- Using Tech 2 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:
- • 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.