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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1667
Experience:  GM Grand Master Technician 2007. 14 year experience.
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My husband changed the battery and now the anti theft system

Customer Question

My husband changed the battery and now the anti theft system won't allow it to start 2003 Yukon Denali... it was bought used and no original keys
JA: Does the engine turn over? How old is the battery?
Customer: Yes engine turn over battery new bought in October 15
JA: What is the model of your '03 GMC?
Customer: Yukon Denali
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Put new alternator because the battery kept dying and just had the battery completely recharged
JA: Anything else you think the mechanic should know?
Customer: The door locks and windows don't work
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the GMC Mechanic about your situation and then connect you two.
Submitted: 5 months ago.
Category: GMC
Expert:  xsvectOR replied 5 months ago.

have you performed a 30 minute relearn?

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