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Ron, ASE Certified Technician
Category: GMC
Satisfied Customers: 35601
Experience:  35 years in the Automotive repair business.
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Is it possible to relearn a bcm on a 1999 yukon denali?

Customer Question

is it possible to relearn a bcm on a 1999 yukon denali?
JA: What is the model of your '99 GMC?
Customer: yukon denali
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Igot a used bcm out of another yukon denali and replaced my old one with it . I have never gotten a straight answer from anyone about what you can or can't do with a bcm. The world's best kept secret.
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 1 year ago.
Category: GMC
Expert:  Ron replied 1 year ago.

Hello, my name is ***** ***** I am a professional here at Justanswer. Thank you for your question and I will assist you with your concern.

Here is the message the GM has stated when trying to use a used BCM which means a used BCM can not be used due to it having a different Vin number.

(A module in which the VIN information has been entered (a module taken from another vehicle) can not be reprogrammed. VIN information can only be entered into new unused modules. Replace the used module with a new unused module and program according to the latest published procedure.)

Customer: replied 1 year ago.
If I buy a new module can I get one from somewhere other than the dealer
Expert:  Ron replied 1 year ago.

Cardon dose sell aftermarket untis and I would contact your local parts supplier and see if there available for your Denali .