You need a Tech II scanner,
Using a connected Tech2,
1. At the Main Menu screen, select: Diagnostics.
2. At the Vehicle Identification screen, select the following options:
■ Model Year
■ LD Trk, MPV, Incomplete
3. At the System Selection Menu screen, select: Body
4. At the Vehicle Identification screen, select the following:
■ Appropriate model
■ Appropriate Air Conditioning
■ Navigation Radio
5. At the Body Screen, select: Navigation Radio.
6. At the Radio screen, select: Special Functions.
7. At the Special Functions screen, select: VIN Relearn.
8. At the VIN Relearn screen, the scan tool will display "Do you want to clear radio theft information?"
9. To begin clearing, press the soft touch key on the top right of the scan tool. The scan tool will display "Clearing Radio Theft in Progress."
10. Press EXIT on the scan tool and cycle the ignition.
Important:
The radio theft will learn the VIN. Without learning the VIN, the radio will display a locked message (LOC or LOCKED).
the only way to unlock radio theft code is to go to dealer approx$100 to hook up master comp and reset
AnswerTry Code 0000 this is the stock code unless someone changed it
The unlock code for the radio is different for every radio. You will need to find the serial number on the radio and call the dealer for the unlock code.
ZKnckjas,bnc
answer
Leave radio power on for 1 hour
I'd recommend http://www.DelcoLockCodes.com. They can get the code for any locked Delco radio. Good luck!
It doesn't have one in the stock radio
You will have to call the Chevrolet dealership and give them your vehicle identification number. They will get the code from their computer.
You will have to call the dealership and give them your VIN and they will give you the code.
Wiring diagram for what area? There is 10 miles of wiring. wiring diagrams for DELCO "RDS" radio
Read your owners manual as there are too many types of radio's anymore.