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How does the GM PassLock system work?

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How does the GM PassLock system work?

The PassLock system works when the lock cylinder moves a magnet past a Hall effect sensor. The sensor then sends a signal to the control, which GM has moved several times over the model years. The control then sends the code to the PCM. If the code is correct, the PCM will allow the car to start and run.

How do I bypass GM PassKEY?

How to Disable a GM PassLock System

  1. Leave the ignition key turned to the “On” position after the vehicle has stalled and will not start.
  2. Look at the dashboard and locate the theft system light.
  3. Turn the ignition to the “Off” position to disable the PassLock system, and wait for 20 seconds for the system to reset.

How do you bypass theft deterrent module?

Turn the key to unlock your car door, but don’t release it. Hold the key in this position for 20 to 30 seconds. This lets the system know you have the correct key, and it can allow you to bypass the alarm system. Some vehicles recognize the key simply by turning the key back and forth in the door lock key cylinder.

Does passlock disable starter?

The PASSLock system does not disable the starter; it only disables the fuel after the engine has started. If the vehicle will not crank, PASSLock cannot cause this condition.

Does PASSLock disable the starter?

The PASSLock system does not disable the starter; it only disables the fuel after the engine has started. If the vehicle will not crank, PASSLock cannot cause this condition. When a PASSLock-equipped vehicle is being started, the instrument panel warning light for PASSLock remains on until the engine starts.

Does PASSLock disable fuel pump?

The factory Passlock anti-theft system immobilizes our cars by simply disabling the fuel pump from running. No fuel pressure = no car stealing. Check your car this way; use the remote keyfob to LOCK the car and observe the speedo or tach for the security indicator to start flashing or turn on.

How do I relearn my GM key?

Relearn procedure: Insert ignition key and turn to the ON position. Do not attempt to start the engine. Leave the key in the ON position for approximately 11 minutes. The security light will be on or flashing for the 11-minute period.