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Service bulletins for the 2009 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.

1080 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
PI-07732014-07-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC: THERE IS SLIPPING OR HAVE NO FOURTH, FIFTH OR SIXTH GEAR AND MALFUNCTION INDICATOR LAMP (MIL) WOULD BE ON, WITH DIAGNOSTIC TROUBLE CODE (DTC) P0796 FOUND AS ACTIVE. *PE
SB-10287-B2012-04-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GM: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PREMATURE TIMING CHAIN WEAR- REPROGRAM ENGINE CONTROL MODULE. VEHICLES EQUIPPED WITH A HFV6 ENGINE, UNDER CERTAIN DRIVING CONDITIONS, AND WITH EXTENDED OIL CHANGE INTERVALS, THE TIMING CHAIN COULD WEAR PREMATURELY AND CAUSE THE ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *JS
PIE-00072011-03-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CADILLAC: ENGINEERING INFORMATION-ENGINE OVERHEATING, ENGINE COOLANT TEMPERATURE LIGHT ON, GAUGE READS HOT, A/C BLOWS WARM, CHECK ENGINE LIGHT ON, TRANSMISSION RELATED. DTCS. STS, CTS, CTS COUPE MODELS 09-11. *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
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

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