Question about 2002 Pontiac Grand Am
Thanks for the response. After further research we found the method to reset the passlock by turning the key on for 10 minutes. This allowed the car to start and run normally. What we do not know is what caused this and what do we do to prevent it from happening again. If you have anything to add that would be great.
The passlock system is sensitive to voltages on the circuit. Make sure all your power and grounds are clean and tight. Make sure you car battery at 100%. Check the connector at the pass lock sensor in the steering column is good. Alot of time just by unplugging and plugging the connectors solve the conceern. If all are good, I would wait to see if it happens again. Then I would change the ignition cylinder. I would not recommend it if your not familair with coding cylinders. What you did is relearn the passlock voltage reading the computer sees when you first turn the key.
When the ignition key is used to turn the ignition lock cylinder to crank, start, a magnet on the lock cylinder passes close to the Passlock™ sensor within the ignition lock cylinder case. The magnet activates the security hall effect sensor in the Passlock™ sensor which completes a circuit from the security sensor signal circuit through a resistor to the security sensor low reference circuit. The resistance value will vary from vehicle to vehicle.
Posted on Jul 20, 2008
Starter and battery are good .2002 grand am . car will not turn over from switch turns over from starter but will not start .please help?
Posted on Sep 26, 2008
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