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 MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 227 (IMMOBILIZER SYSTEM)REPAIR INSTRUCTIONSPROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS30-MINUTE LEARN PROCEDURE
2006 Isuzu Ascender S, 5.3 M, 4WD
30-Minute Learn Procedure
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION 30-Minute Learn Procedure
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Do not remove the key from the ignition during this procedure. If the key is removed, the procedure will have to be performed from the beginning.
- Turn ON the ignition, with the engine OFF.
- Attempt to start the engine, then release the key to ON. The vehicle will not start.
- Observe the SECURITY telltale. After approximately 10 minutes, the telltale will turn OFF.
- Turn OFF the ignition and wait 5 seconds.
- Repeat steps 1-4 two more times for a total of 3 cycles/30 minutes. The vehicle is now ready to relearn the Passlock™ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.
- Start the engine. The vehicle has now learned the Passlock™ Sensor Data Code and/or password.
- With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.
IMPORTANT:
The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition 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.