How to disable theft system on pontiac grand am?
You must get the car started again to disable PassLock. Once started and running for more than five seconds, flip the toggle to “off.” PassLock once again is disabled, and the red “theft system” light will come on.
How to bypass the PassLock sensor on a 2002 Pontiac Grand Am?
This web page will guide you through the steps necessary to bypass the “Passlock Sensor” on a 2002 Pontiac Grand Am, and keep the “SECURITY” light off forever. The steps necessary are similar on the other models listed above. There are generally only minor differences in how to get the radio out to get to the wires.
How to replace the Powertrain Control Module ( BCM )?
The Powertrain Control Module (PCM) Before replacing the BCM or PCM, you should first try the 30 minute Re-learn Procedure which is described in the GM Shop Manual. Here it is in it’s entirity. Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON (vehicle will not start).
How does TDM validate resistive chip in ignition key?
The TDM portion of the BCM will validate the resistive chip in the ignition key. If resistance value read by the BCM is what the BCM is expecting, the BCM will send a message over serial data to the PCM informing the PCM that a valid key is present and the PCM may start the vehicle.
Where is the ignition switch on a GM PassLock?
Pull the radio out of it’s cavity. Disconnect the wiring connector and the antenna wire, and set the radio aside. On the left side of the radio cavity, there will be an opening, through which you will be able to see the Ignition Switch.
This web page will guide you through the steps necessary to bypass the “Passlock Sensor” on a 2002 Pontiac Grand Am, and keep the “SECURITY” light off forever. The steps necessary are similar on the other models listed above. There are generally only minor differences in how to get the radio out to get to the wires.
The Powertrain Control Module (PCM) Before replacing the BCM or PCM, you should first try the 30 minute Re-learn Procedure which is described in the GM Shop Manual. Here it is in it’s entirity. Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON (vehicle will not start).
Is there a way to bypass GM security system?
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The TDM portion of the BCM will validate the resistive chip in the ignition key. If resistance value read by the BCM is what the BCM is expecting, the BCM will send a message over serial data to the PCM informing the PCM that a valid key is present and the PCM may start the vehicle.