How do I clear my passlock code on Chevy trailblazer. It stays on all the time & won't start. Done the 30 minute thing, & no luck

Asked by May 23, 2017 at 06:18 PM about the 2005 Chevrolet TrailBlazer LS 4WD

Question type: Maintenance & Repair

1 Answer

121,325

Try this: from inside manual lock all the doors except the drivers, with key in hand exit the vehicle and manually lock the drivers door with the key, watch the dome light and when it goes out wait at least one minute then using the key unlock the drivers door and see if it will start, if not then a trip to the dealer is going to be necessary, they will have to go in and reprogram the security system, if you have more than one key make sure you have it with you so they can make sure that the system responds to both chips. HTH

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