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 PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESPROGRAMMINGPASSLOCK(TM) SYSTEM30 MINUTE LEARN PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
30 Minute Learn Procedure
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION 30 Minute Learn Procedure
- Turn ignition switch to RUN position.
- Attempt to start engine, then release key to RUN position, vehicle will not start.
- Observe SECURITY indicator, after approximately 10 minutes, indicator will turn OFF.
- Turn ignition switch to OFF position, and wait 5 seconds.
- Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. Vehicle is now ready to relearn Passlock(tm) sensor data code and/or passwords on the next ignition switch transition from OFF to CRANK position.
- Start engine. Vehicle has now learned the Passlock(tm) sensor data code and/or password.
- Using scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.
NOTE:
Vehicle learns Passlock(tm) sensor data code and/or password on the next ignition switch transition from OFF to CRANK position. Ignition must be turned OFF before attempting to start the vehicle.
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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.