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Why does my PassLock not work on my car?

Why does my PassLock not work on my car?

The following information can help to determine the cause of the problem. 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. If the vehicle starts, but stalls quickly, this condition can possibly be related to PASSLock.

When do you turn off the PassLock system?

The vehicle learns the Passlock Sensor Data Code and/or resistance on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 12. Your all done, Solder all your new connections.

What is the system fault code for PassLock security?

When the sensor defect starts, it usually presents itself as system fault code B2960. A red (or yellow) “security” warning light will stay illuminated and the engine will either a) never start or b) start for a moment and then shut down.

Why did General Motors start the PassLock system?

Aug 1st, 2005 The PassLock system was designed to prevent vehicle theft by disabling fuel to the engine if attempts are made to start the vehicle without the correct bitted key. PASSLock increased the level of security while retaining the ease of service and costs offered by standard ignition lock systems.

What happens if there is no PassLock on the engine?

No Passlock problem will prevent the engine from cranking. If, when cranking the engine, the security light is flashing, that indicates a PassLock problem. The engine may initially start and run until the BCM gets the message to the ECM to deactivate the injectors.

When the sensor defect starts, it usually presents itself as system fault code B2960. A red (or yellow) “security” warning light will stay illuminated and the engine will either a) never start or b) start for a moment and then shut down.

Aug 1st, 2005 The PassLock system was designed to prevent vehicle theft by disabling fuel to the engine if attempts are made to start the vehicle without the correct bitted key. PASSLock increased the level of security while retaining the ease of service and costs offered by standard ignition lock systems.

How to retry a 9 second PassLock bypass?

The engine may initially start and run until the BCM gets the message to the ECM to deactivate the injectors. Once the ECM has deactivated the injectors, on subsequent starts the engine will still turn over, but no ignition will take place. There is an Owner’s Manual procedure to wait 10 minutes and retry.

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Ruth Doyle