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  1. SOLVED: Need to turn off passlock - Chevrolet - iFixit

    Jan 9, 2012 · The easiest way to bypass the Passlock 2 system is to place a resistor between the passlock sensing wire and the ground reference wire. To find these wires, look for three wires that at …

  2. SOLVED: passlock security light stays on - 1998 chevy S10 pickup

    May 21, 2017 · How do I turn off the passlock security light or reset it the light stays on

  3. Chevrolet Repair Forum - iFixit

    Nov 22, 2025 · Chevrolet questions - Why dont my brake lights work - Need to turn off passlock - anti lock brakes and traction control lights on - My steering column has become loose. How do I fix? - …

  4. Engine starts then dies everytime - 1992-1999 Chevrolet Tahoe

    Aug 15, 2014 · When I start my truck it starts and immediately stops. What would cause this? - 1992-1999 Chevrolet Tahoe

  5. 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 …

  6. SOLVED: How do I reset security? - 2004-2008 Pontiac Grand Prix

    Jun 19, 2023 · Is the security light flashing when you try to start the car? If so, try performing a "Passlock Relearn": (1) Put the key in the ignition and attempt to start the car, the "Security" light should go on …

  7. SOLVED: My ignition on my 1999 Tahoe was vandalized, and the ... - iFixit

    Feb 5, 2012 · Without that button the Passlock System will not know there is a key in the switch and therefore it will not enter the relearn. The small white switch is part of the steering column wiring …

  8. S10 & Blazer DIY and Useful Threads - ChevroletForum

    May 20, 2008 · S10 & Blazer DIY and Useful Threads - This section is strictly for frequently asked questions pertaining to S10s and Blazers.

  9. How to repair the GM VATS control module - iFixit

    Jun 25, 2024 · This repair is for GM vehicles with Vehicle Anti Thief System (VATS) or Pass-Key systems that have the black “Chip” in the key and intermittent No...

  10. Anti-theft light is blinking and won't start - iFixit

    Oct 24, 2016 · Truck won't start when anti-theft light is blinking. How do I reset it?