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Service bulletins for the 2008 Cadillac CTS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1138 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
070898001B2016-10-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON GM DOES NOT APPROVE THE USE OF “CLIPPING” TO REPAIR COLLISION DAMAGE TO VEHICLES. GM HAS NOT TESTED OR VALIDATED A “CLIPPED VEHICLE” REPAIR; THEREFORE, GM CANNOT ENDORSE THIS TYPE OF REPAIR OR CONFIRM THE CRASH PERFORMANCE DURING A SUBSEQUENT COLLISION.
16NA2602016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS.
G-1503012016-10-13. Service bulletin. EQUIPMENT. 11340C - SPECIAL COVERAGE (REVISED SERVICE PROCEDURE, POPULATION ADDED). UNDER CERTAIN DRIVING CONDITIONS, AND WITH THE VEHICLE'S ORIGINAL OIL CHANGE INTERVALS, THE TIMING CHAIN COULD WEAR PREMATURELY AND CAUSE THE ILLUMINATION OF THE SERVICE ENGINE SOOL LIGHT. IF THE CONDITION OCCURS WITHIN THE SPECIAL COVERAGE TERMS, DEALERS ARE TO REPLACE THE TIMING CHAIN.
16-NA-0852016-10-05. Service bulletin. STRUCTURE; EQUIPMENT; ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON NEW DESIGN CYLINDER HEADS.
PIC-5374-D2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED INSTRUCTIONS FOR RESETTING THE VEHICLE COMMUNICATION INTERFACE MODULE FOR THIS CONCERN.
SB-16-NA-1302016-08-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE AND NO 2ND GEAR DUE TO THE INSTALLATION OF THE INCORRECT UPPER VALVE BODY.
SB-16-NA-1192016-08-09. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM’S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
PIC60022016-06-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5723A2016-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC57232016-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5271A2016-06-17. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI08532016-06-17. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-04-03-10-013G2016-04-26. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB07-08-47-004EA2016-04-12. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-11340-C2016-03-16. Service bulletin. EQUIPMENT; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI08962013-04-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. BUICK/CADILLAC/CHEVROLET/GMC/SAAB: SOME VEHICLES HAVE FLOOR MATS THAT ARE DIFFICULT TO FULLY SEAT ON CARPET SIDE RETAINER DUE TO FLOOR RETAINER BEING BROKEN AND VARIOUS BREAKPOINTS FOR STYLE OF RETAINER AND BECAUSE DIFFERENT STYLES OR DESIGNS NOT INTERCHANGEABLE AND CONTAINS NON MATCHING RETAINERS. MODELS 2010-13 LACROSSE, SRX, 2011-13 REGAL, CRUZE, EQUINOX, VOLT, TERRAIN, 9-4X, 2012-13 VERANO, SONIC, 2008-13 CTS AND 2013 MALIBU. *PE
PI03462011-06-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. GM: THERE IS A GEAR WHINE FROM THE REAR WHEN DRIVING 30-60MPH. *RM
TSB-08259A2009-03-13. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). BUICK CADILLAC CHEVROLET GMC PONTIAC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ONSTAR SYSTEM INOPERATIVE; REPLACE ONSTAR MODULE. SOME VEHICLES MAY HAVE AN ONSTAR MODULE WITH A COMPONENT THAT WAS NOT MANUFACTURED TO GM'S SPECIFICATION. CAN RESULT IN AN OPEN CIRCUIT AND AN INABILITY TO CALL OR RECEIVE CALLS FROM ONSTAR. CSC LETTER WAS RECEIVED. *PE
08-2592008-12-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BUICK CADILLAC CHEVROLET GMC PONTIAC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ONSTAR SYSTEM INOPERATIVE - REPLACE ONSTAR MODULE. THIS CAN RESULT IN AN OPEN CIRCUIT AND AN INABILITY TO CALL OR RECEIVE CALLS FROM ONSTAR. CSC LETTER WAS RECEIVED. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.