GMC TSB #PIC4696B
1999 GMC Suburban
Affected Component: EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
- Summary
- This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.