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    Passlock key identify

    images passlock key identify

    As the driver moves the key towards the lock cylinder, a transmitter sends an interrogation signal to the transponder key. We're Proudly Affiliated With. If not, the vehicle may start but will stall within seconds. This article describes how to troublshoot and fix a PassLock system. If you see 2. When you insert the key into the lock cylinder, electrical contacts from the Theft Deterrent Module TDM touch the resistor and measure its resistance. Wait for security light to turn off.

  • How to determine if I have Passlock keys Chevy Truck Forum GM Truck Club
  • ATOW GM Pass Lock II Relearn Procedure
  • Automotive and Commercial Locksmith G.M. Passlock 1
  • Passlock AstroSafariInfo

  • How the GM PassKey and PassLock anti-theft systems work. PassKey III transponder keys are identified by the PK3 mark on the shank. How to diagnose, fix, and reset GM passlock anti-theft system. So if you have a key WITHOUT a chip in it, chances are it's a PassLock system.

    So you have to refer to the factory legends to learn the identification symbols. The GM Passlock System is a key-based, fuel shutdown, anti-theft system.

    How to determine if I have Passlock keys Chevy Truck Forum GM Truck Club

    . been correctly identified and is soldered to the BLACK/. WHITE wire of the L.
    The GM immobilizer systems have gone through several iterations.

    Video: Passlock key identify GM PASSLOCK UPDATE! Tahoe Suburban K1500 Express Astro Truck Crank No Start Security Module Testing

    You will need a scan tool to watch the operation of the system and find the trouble code. There are 15 different key codes. You should see 5 volts.

    ATOW GM Pass Lock II Relearn Procedure

    Insert the next key to be learned. The security light will be on steady on or flashing during the minute period. If not, the vehicle may start but will stall within seconds.

    images passlock key identify

    images passlock key identify
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    Check out my book! Turn the ignition to RUN. If a condition is described, DO NOT assume that a topic covered in this website automatically applies to your vehicle or that your vehicle has that condition.

    Click here to see a typical PassLock wiring diagram.

    Automotive and Commercial Locksmith G.M. Passlock 1

    If it does, you will have to replace the key cylinder. Pierce the insulation on the same wire with a pin or back-probe the wire in the connector.

    that follow will help you identify the system and describe how to do the relearn. VATS The Passlock anti-theft system requires the presence of a key in the lock.

    I have a Sierra WT that is bare bones. No power locks or windows. I don't see any security light on the dash or a padlock light in the.

    Passlock AstroSafariInfo

    The Passlock I system is considered the replacement for the GM Vehicle Anti- Theft System (VATS). The Passlock II and III (PK3) systems followed shortly after .
    These keys only function to turn a lock cylinder that houses a magnet in the center of the key cylinder assembly.

    When the battery goes dead or a new hall sensor is replaced you will need to relearn the Pass Lock sensor value into the security module. The hall sensors each have their own unique end result value between 0.

    Click to enlarge. These keys are true immobilizor keys and have tiny chips imbedded in them.

    Video: Passlock key identify Ignition Key Transponders

    If you DO get the 5 volts, turn the ignition off and reconnect the electrical connector.

    images passlock key identify
    Passlock key identify
    The control then sends the code to the PCM.

    Unlike the cheaper Haynes and Chilton manuals that cover multiple year models, leaving the exact information you need to fix your car, these professional manuals cover your exact year, make, model.

    images passlock key identify

    Now let go of the key so it can return to the run position. If you need to dig into your doors, dash or console, Alldatadiy. Turn ignition to the OFF position, and wait 10 seconds.


    2 Replies to “Passlock key identify”

    1. Gardadal

      Plus, they contain full trouble code descriptions and troubleshooting instructions. As the driver moves the key towards the lock cylinder, a transmitter sends an interrogation signal to the transponder key.