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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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Bulletins, newest first
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
SB-08-03-16-0022010-06-02. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. CADILLAC: SERVICE TIRE MONITOR SYSTEM MESSAGE DISPLAYED, TIRE PRESSURE WARNING LIGHT ON, TIRE PRESSURE READING DISPLAYED AS A DASH IN DIC, DTCS C0750, C0755, C0760, C0765 SET (ADD SHIELDING FOIL TAPE TO REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) WIRE HARNESS). *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
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-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
08-07-30-0112008-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. EI08107 - 6L50 RWD TRANSMISSION LEAK FROM EXTENSION HOUSING, CRACKED OR BROKEN EXTENSION HOUSING. *NJ
08-06-04-0172008-05-21. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. SLOW FUEL FILL, PREMATURE FUEL FILL NOZZLE SHUT OFF, FUEL TANK DIFFICULT TO FILL FULL (REPLACE FUEL TANK). *NJ
08-02-35-0022008-05-20. Service bulletin. STEERING:COLUMN. POWER TILT/TELESCOPE STEERING COLUMN INOPERATIVE, DTC B2860/B2880 SET (REPLACE STEERING COLUMN TILT WHEEL POSITION SENSOR). *NJ
PIP43332008-04-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DTC'S P0011, P0014, P0021, P0024, P0341, P0346, P0366, OR P0391. WITH 3.6 LY7 OR LLT. *NJ
PIC48032008-04-25. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. FRONT OUTSIDE DOOR HANDLE INOPERATIVE OR STICKY (PASSIVE ENTRY). *NJ
0803160022008-04-14. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. SERVICE TIRE MONITOR SYSTEM MESSAGE DISPLAYED, TIRE PRESSURE WARNING LIGHT ON, TIRE PRESSURE READING DISPLAYED AS A DASH IN DTC'S C0750, C0755, C0760, C0765 SET (ADDING SHIELDING FOIL TAPE TO REMOTE CONTROL DOOR LOCK RECEIVE (RCDLR) WIRE HARNESS). (EXCLUDING VEHICLES WITH RPO UHA) BUILT BETWEEN VIN BREAKPOINTS 80136490 AND 80141498. *NJ
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
PIP43042008-04-07. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. DTC P0878, P2714, P2723, TRANSMISSION SLIPS IN 1ST, 2ND, 3RD, OR 4TH GEARS AND/OR LONG GARAGE SHIFTS TO DRIVE, EQUIPPED WITH A 6L50 (MYB), 6L80 (MYC), OR 6L90 (MYD) TRANSMISSION. *NJ
PIC47492008-03-31. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. FUEL TANK IS HARD TO FILL. *NJ
07-07-30-0322008-03-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). SHIFTER BINDS, IGNITION KEY STICKS, [SHIFT TO PARK] MESSAGE DISPLAYED ON DRIVER INFORMATION CENTER (DIC), DEAD BATTERY (ADJUST SHIFT LINKAGE). *NJ

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