Need help starting my trailblazer

Cbmorris39

Original poster
Member
Aug 30, 2021
2
Georgia
I have a 2003 trailblazer my driver door doesn’t lock but I locked my doors and my cousin opened my door and the alarm went off I wasn’t around with the keys to stop the alarm so he unhooked the battery I hooked the battery up now it says unknown driver and want start how can I get it to start
 

TJBaker57

Member
Aug 16, 2015
2,897
Colorado
There is very likely a time period that has to run out before you will be able to start it. It will remember this after the alarm goes off even if the battery is disconnected. By the time you read this it might start.
 

Mooseman

Moderator
Dec 4, 2011
25,257
Ottawa, ON
Unknown driver just means that the door wasn't opened using a key fob (#1 or #2), or a module is misbehaving and throwing gibberish into the communications bus.


The identification of driver 1 or driver 2 is mostly for radio presets.
 

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