Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
PIC4696E
Service Bulletin/Repair Instructions
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. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
PIC4696D
Service Bulletin/Repair Instructions
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. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
PIC4696C
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. 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.
130089009
Service Bulletin/Repair Instructions
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
050310019
Service Bulletin/Repair Instructions
INFORMATION ON RUN FLAT, ZERO PRESSURE OR EXTENDED MOBILITY TIRES (EMT) AND UNIQUE SERVICING TECHNIQUES. *TT
020730024A
Service Bulletin/Repair Instructions
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
01697
Service Bulletin/Repair Instructions
NO SERIAL DATA COMMUNICATIONS USING THE TECH 1 WITH A 1986 OR NEWER CAMARO, FIREBIRD OR CORVETTE WITH A 5.0 OR 5.7 LITRE ENGINE. SIT BULLETIN 1450640. *TT
010729004
Service Bulletin/Repair Instructions
INFORMATION REGARDING CORVETTE ZF SIX SPEED MANUAL TRANSMISSION. NLM
876527
Service Bulletin/Repair Instructions
SOME VEHICLES EXPERIENCE ENGINE MISS/ POOR DRIVEABILITY SYMPTOMS. *YC
9709013202B
Service Bulletin/Repair Instructions
EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC