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Service bulletins for the 2006 Cadillac STS

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.

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

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Bulletins, newest first
PIT5074F2012-05-24. Service bulletin. ELECTRICAL SYSTEM. GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR MODEL YEAR 2013. MODEL ESCALADE MODEL YEAR 2012-2013. MODEL PONTIAC G3 MODEL YEAR 2007. MODEL WAVE MODEL YEARS 2005-2010. DENALI MODELS MODEL YEARS 2007-2013. *JS
PB-10037A2011-06-27. Service bulletin. ELECTRICAL SYSTEM. GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING. WHEN HAVE A DATA CONNECTION. *RM
PI-0090-B2011-06-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/SATURN: THERE MAY BE AN INTERMITTENT ENGINE HESITATION OR FLUTTER. THE CAMSHAFT SENSOR TERMINALS LIKELY HAVE POOR CONNECTIONS. *RM UPDATED 8/1/11. *PE UPDATED 4/16/12. *PE
PI-0011A2011-06-15. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
10-00-89-017C2011-06-14. Service bulletin. UNKNOWN OR OTHER. GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
PIT-3749D2011-05-26. Service bulletin. STRUCTURE:FRAME AND MEMBERS. GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB
05-09-40-002E2011-05-11. Service bulletin. SEAT BELTS:FRONT:WEBBING; SEAT BELTS:FRONT:RETRACTOR. GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
SB-07-09-41-001A2011-03-26. Service bulletin. AIR BAGS; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE; AIR BAGS:ON-OFF SWITCH ASSEMBLY; AIR BAGS:FRONTAL. CADILLAC: FRONT PASSENGER AIR BAG STATUS INDICATOR DISPLAYS OFF OR SWITCHES FROM ON TO OFF WITH PASSENGER IN SEAT (REPLACE PASSENGER PRESENCE SYSTEM (PPS) MODULE). CONDITION MAY BE CAUSED BY PASSENGER PRESENCE SYSTEM (PPS) IN RIGHT FRONT SEAT CUSHION OR IN CASE OF A SMALL PROFILE/LIGHT WEIGHT CUSTOMER, A COMBINATION OF PPS AND PASSENGER FRONT SEAT CUSHION. *PE UPDATED 9/30/13. *PE
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
SB06-08-110-004C2011-02-25. Service bulletin. STRUCTURE:BODY:DOOR. CADILLAC: CHROME FINISH PEELING OFF INSIDE DOOR HANDLES (REPLACE HANDLES). *PE
SB-092052010-06-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT; EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE WARRANTY. ON SOME MODEL YEAR CADILLAC VEHICLES, EQUIPPED WITH 3.6L V6 ENGINES (LY7) AND 2.8L V6 ENGINES (LP1), THE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE MAY STICK OPEN OR CLOSED. IF THIS OCCURS, THE SERVICE ENGINE SOON LIGHT WILL ILLUMINATE. *PE
PIP-45422010-06-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CADILLAC: SES LIGHT DUE TO DTC P1101; UPDATED ECM CALIBRATION FOR STS. SOME CUSTOMERS MAY EXPERIENCE A SES LIGHT ON COLD START WITH NO ENGINE PERFORMANCE CONCERNS. UPON INSPECTION, A P1101 DTC WILL BE FOUND WITH THE TECH 2. *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
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
08-08-49-0012008-03-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INACCURATE FUEL GAGE READINGS, FUEL GAGE READS EMPTY WHEN THERE IS FUEL IN TANK, FUEL LEVEL LOW MESSAGE IN DIC, DTC P2066 SET (REPROGRAM ECM). WITH 2.8L OR 3.6L ENGINE (VINS T, 7 - RPO'S LP1, LY7). *NJ
0704200012008-02-26. Service bulletin. SUSPENSION:REAR. AXLE FLUID SEEPING OR LEAKING FROM REAR AXLE VENT (INSTALL REAR DIFFERENTIAL HOSE AND VENT). *NJ
45602007-12-11. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE STUCK ON EMPTY DTC P2066 (2.8L (LP1) OR 3.6L (LY7) ENGINES). *NJ
40522007-09-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 2-3 UPSHIFT SLIP OR FLARE. *KB
0707300152007-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 6T70, 6T75, 6L50, 6L80, OR 6L90. AUTOMATIC TRANSMISSION - INFORMATION ON TRANSMISSION FLUID PRESSURE (TFP) SWITCH CHECK FOR FALSE DTC'S P0842, P0843, P0872, P0873, P0877, P0878, P0989, OR P0990. *KB
061812007-03-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CONNECTING ROD BOLT LOW TORQUE - RELACE ENGINE. *KB
0709410012007-03-08. Service bulletin. AIR BAGS. FRONT PASSENGER AIRBAG STATUS INDICATOR DISPLAYS OFF OR SWITCHES FROM ON TO OFF WITH PASSENGER IN SEAT. *KB UPDATED 6/7/11. *PE
36492007-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION, BUSY SHIFTING, MIL ILLUMINATED, DTC P1751. *KB
42682007-01-30. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. POWER STEERING FLUID LEAK FROM PRESSURE LINE FITTING AT THE REAR. *KB

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