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Service bulletins for the 2009 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.

1248 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
SB-09-07-30-014A2011-03-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC: RUMBLE, GRIND, TICKING OR RATTLE TYPE NOISE WHILE DRIVING, OUTPUT SHAFT SPALLING (REPLACE OUTPUT SHAFT AND BEARING). *PE
PIE-00592010-11-15. Service bulletin. STRUCTURE:BODY:DOOR. CADILLAC: ENGINEERING INFORMATION-FRONT OR REAR DOOR WILL NOTOPEN OR UNLOCK. DOOR LATCH ASSEMBLIES RETURNED UNDER WARRANTY HAVE BEEN TESTED WITH NO TROUBLE FOUND. GM ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE CONDITION(S) ABOVE. ENGINEERING HAS A NEED TO GATHER INFORMATION ON VEHICLES PRIOR TO REPAIR THAT MAY EXHIBIT THIS CONDITION. *PE UPDATED 2/28/11. *PE UPDATED 6/6/11. *PE
PI-00822010-11-11. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. CADILLAC: CENTER HIGH MOUNTED STOP LAMP (CHMSL) HOUSING CRACKED, LEDS INOPERATIVE, CONTACT WITH REAR COMPARTMENT LID, PAINT DAMAGE. REVISED CHMSL HAS BEEN RELEASED FOR SERVICE. IT FEATURES ADDITIONAL CLEARANCE TO THE REAR COMPARTMENT LID AND IMPROVED MANUFACTURING TO PREVENT CRACKING AND INOPERATIVE LEDS. *PE
PIC-51752010-06-08. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. CADILLAC: SOME CUSTOMERS MAY COMMENT ON A AFL LAMPS NEED SERVICE MESSAGE DISPLAYED ON THE DIC. THE ADAPTIVE FEATURE OF THE HEADLAMP IS INOPERATIVE. ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE AFL HEADLAMP SYSTEM NOT OPERATING PROPERLY. MODELS INCLUDE CTS AND CTS-V *PE
PIC-51982010-06-08. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. CADILLAC: WHEEL SPEED SENSOR CONNECTOR MISBUILT. WHEN SERVICE TECHNICIANS ARE PERFORMING A COMPONENT LEVEL SENSOR TEST-THE REVERSED SIGNAL POLARITY MARKINGS COULD RESULT IN MISDIAGNOSIS AND POSSIBLY FAILING A GOOD PART. *PE
PIC-52382010-03-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC: ENGINE HARNESS ROUTING, VARIOUS ELECTRICAL ISSUES, VARIOUS DTCS. HARNESS RUB/CHAFE ON 3RD CAM COVER BOLT. HARNESS LIES ON 3RD BOLT AND WITH ENGINE ROLL, THE BOLT MAY CUT AND OR CHAFE CIRCUITS UNDERNEATH THE ABRASION TAPE WITH NO VISIBLE SIGNS OF DAMAGE TO THE TAPE ITSELF. *PE
PIE-00072010-03-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ENGINE AND ENGINE COOLING:COOLING SYSTEM. CADILLAC: E109144-ENGINE OVERHEATING, ENGINE COOLANT TEMPERATURE WARNING LIGHT ON, ENGINE COOLANT TEMPERATURE GAUGE READS HOT (ENGINEERING INFORMATION). THIS CONCERN ONLY APPLIES TO VEHICLES EQUIPPED WITH A SINGLE COOLING FAN. *PE
SB-091042010-03-05. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. CADILLAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. FRONT DOOR LATCH FREEZING. WATER ENTERS THE LATCH HOUSING AND FREEZES. MAY NOT BE ABLE TO OPEN THE FRONT DOORS USING THE OUTSIDE DOOR HANDLE, OR THE DOOR MAY NOT LATCH WHEN THE DOOR IS CLOSED. *PE UPDATED 6/25/10. *PE
SB-07-05-22-003B2010-02-17. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. CADILLAC: HARD BRAKE PEDAL ON COLD START AT HIGH ALTITUDES (INSTALL AUXILIARY VACUUM PUMP). *PE UPDATED 11/3/10. *PE
PIC-50832009-12-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. CADILLAC: FRONT DOORS MAY NOT OPEN OR CLOSE DURING COLD WEATHER. ONE OR BOTH FRONT DOORS MAY NOT OPEN USING THE OUTSIDE RELEASE HANDLE IN SUBFREEZING TEMPERATURES. THE DOOR CAN ALWAYS BE OPENED USING THE INSIDE RELEASE HANDLE. ONE OR BOTH FRONT DOORS MAY OPEN, BUT THEN NOT BE ABLE TO CLOSE AND RELATCH IN SUBFREEZING TEMPERATURES. THE DIC WILL ALWAYS INDICATE TO CUSTOMER THAT THE DOOR IS AJAR OR OPEN. THE DOOR LOCK IS FROZEN. *PE UPDATED 12/18/09. *PE
SB-08-09-41-007A2009-12-02. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. BUICK/CADILLAC/CHEVROLET/GMC/SATURN: PASSENGER PRESENCE SYSTEM (PPS) MAY COMMAND PASSENGER AIRBAG INDICATOR AND SEAT BELT REMINDER ON WHEN ELECTRONIC DEVICES (COMPUTERS, MP3 PLAYER, CELL PHONES, TECH 2, ETC.) ARE PLACED ON FRONT PASSENGER SEAT, DTC B0074 0F; B101D OR B0081 SET. THIS IS DUE TO THE FACT THAT SOME ELECTRONIC DEVICES PLACED ON THE FRONT PASSENGER SEAT MAY INTERFERE WITH THE ELECTRIC FIELD GENERATED BY THE PPS SYSTEM, CAUSING IT TO ENABLE (TURN ON) THE PASSENGER AIRBAG AND SAFETY BELT REMINDER. *PE
PIP-45902009-08-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC: NO FORWARD OR REVERSE AT LAUNCH, OUTPUT SHAFT BROKEN - KEYWORDS INOPERATIVE MOVE NO. *PE UPDATED 11/15/10. *PE
PIC-45842009-08-19. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC: SES LIGHT ILLUMINATED OR IS FLICKING, REDUCED ENGINE POWER MESSAGE, NO CRANK, NO START, BLOWN ECM FUSE, VARIOUS DTC'S (INSPECT WIRING HARNESS). *PE UPDATED 6/6/11. 8PE
PIC-50282009-08-13. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. CADILLAC: ONE OR MORE OF THE ELECTRICAL CONCERNS: ABS, STABILITY INDICATOR/WARNING MESSAGES; COMPASS INOP; HEATED SEATS (KB6) INOP; HEATED WASHERS INOP; HEATING VENTILATION AC (HVAC) INOP; MEMORY SEAT INOP; NO START; ONSTAR INOP; POWER WINDOWS INOP; SIR INDICATOR/WARNING MESSAGES WILL LIGHT. AIRBAG IGN 10A/ONSTAR 10A/RDO 15A FUSES MAY BE OPEN. *PE
SB-08-09-41-002C2009-07-20. Service bulletin. AIR BAGS. GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. *PE UPDATED 8/16/10. *PE UPDATED 3/12/12. *PE
PIC-4727A2009-03-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: THE ENGINE RUNS ROUGH AND THE CHECK ENGINE LIGHT/MALFUNCTION INDICATOR LIGHT (MIL) FLASHES. THE ODD COILS 15A FUSE IS OPEN IN THE UNDER HOOD FUSE BLOCK. *PE
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
PIC-50582009-03-12. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST SYSTEM. GENERAL MOTOR: SERVICE POWER STEERING-C0450 (INSP HARNESS NEAR CYLINDER HEAD). THE CAUSE MAY BE ENGINE WIRE HARNESS IS CHAFING ON THE RIGHT CYLINDER HEAD. *PE UPDATED 11/04/09. *PE UPDATED ON 5/1/12. *JS
TSB-PIC-50562009-03-12. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. GENERAL MOTORS: VARIOUS ELECTRICAL CONCERNS (INSP HARNESS UNDER UBEC BRACKET). MAY EXPERIENCE ONE OR MORE OF THE FOLLOWING: WILL NOT CRANK OVER AND START; TRANSMISSION SHIFTS HARD; DOOR LOCKS CYCLE WHILE DRIVING. *PE UPDATED 3/15/10. *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
08-03-16-0042008-12-03. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. GMC: TIRE PRESSURE LIGHT STAYS ON (REPROGRAM RCDLR) EVEN THOUGH TIRE PRESSURE VALUES ARE CORRECT. *PE
08-08-64-008A2008-09-18. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; STRUCTURE:BODY:DOOR. GENERAL MOTORS CORP: OUTSIDE DOOR HANDLE, DOOR GLASS AND/OR OUTSIDE MIRROR INOPERATIVE (REPLACE DOOR HANDLE SWITCH, INSPECT DOC-N-LOC CONNECTOR AND/OR LUBRICATE DOOR HANDLE). *PE
0503100032008-04-12. Service bulletin. WHEELS:RIM. LOW TIRE PRESSURE, LEAKING CAST ALUMINUM WHEELS (REPAIR WITH ADHESIVE SEALANT). 2008 AND PRIOR GM PASSENGER CAR AND LIGHT DUTY TRUCKS (INCLUDING SATURN) AND HUMMER H2, H3 AND SAAB 9-7X WITH CAST ALUMINUM WHEELS. *NJ UPDATED 10/23/09. *PE

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