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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', ASE Certified Technician
Category: GMC
Satisfied Customers: 20810
Experience:  GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics
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I have a 2013 GMC Sierra that had the basic radio. I bought

Customer Question

I have a 2013 GMC Sierra that had the basic radio. I bought a upgraded factory radio with cd and aux connection. I installed and now my radio is locked. I've tried the 1/4 presets 2/3 presets but I get nothing.
Submitted: 1 year ago.
Category: GMC
Expert:  Don 'Mo Lurch' replied 1 year ago.

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sorry for the delay............
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Greetings...... “Hi, I’m Don (aka MOLurch) and I look forward to helping you!”
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As of 2002 ALL GM Radios have to be Programmed via Dealer Scan Tool & GM Computer.
There is NO Customer Input, as GM has to supply the Unlock Code after recording V.I.N. of the vehicle
There is no other way to UNLOCK GM Radio
This is a Class 2 DATA Type Radio.
There are some Companies that sell on-line that can get your Vehicle I.D. & Unlock prior to selling the Radio to you, which is done via Dealer Scan Tool, but you would need to contact the sellers that do that.

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Expert:  Don 'Mo Lurch' replied 1 year ago.

did you need more information?

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