The 800 number and process on YouTube no longer work. Unfortunately, it must be done by a dealer. Also, be sure that the part number on the new radio is the same as the old radio. Many look the same but have different part numbers and are specific to a particular GM vehicle and frequently different year.
SOURCE: purchased a radio out of
Consult a authorized GM radio repair station, use a web search to find one and email them, they can help.
SOURCE: need to unlock my delco
You will need to contact the dealer to get the code to unlock the radio.
Mike
SOURCE: 2005 gm delco radio, cd/cassette player rds model...how to unlock
I recall having seen this problem posted by another and I think you are stuck going to the dealer (with proof that you didn't rip it out of someone else's dashboard) to get it unlocked. This is one of those things done to ding accessory thieves that often bites original owners after battery changes/failures.
SOURCE: I need the unlock code for a 2001 Chevrolet Blazer
need to notify dealer show receipt for radio and have serial number and if able radio id code and owner ship of ur vehicle the dealer should be able to retrieve the code but call first they will advise u if u need any thing else
SOURCE: How do I unlock a radio when it displays the word LOC on a 1997 GMC Jimmy?
It is written in your owners manual. you need a code which the original owner would have written down somewhere in the manual. If no code, no radio. Only the dealer can unlock and make new code.
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