1998 Sunfire PassLock problem


Asked by Sep 24, 2016 at 10:11 PM about the 1998 Pontiac Sunfire 2 Dr SE Coupe

Question type: Maintenance & Repair

I had an issue with a messed up lock cylinder, so I replaced it with a new one. But the computer does not seem to be trying to learn the new PassLock. The car will start up then stall out, the security light flashes 3 times then stays solid. I have attempted the 15 minute fix multiple times but the security light never continues to blink. Just flashes 3 times and stays solid. I then replaced the ignition switch just for the heck of it with no change in the issue... It's like the system is not noticing the new PassLock... Ideas?

2 Answers


https://www.youtube.com/watch?v=_njAVpk47_c Try this video. There's a 10 minute relearn for the car to pickup the new lock Cylinder. Not sure if it will work, but worth a try.


Thank you

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