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Service bulletins for the 2005 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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
SB-101272011-05-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. GM: SOME 2004-2005 CADILLAC CUSTOMERS MAY COMPLAIN OF A CHECK ENGINE LIGHT, RATTLE UNDER BODY, AND A LACK OF ENGINE POWER. THIS MAY BE CAUSED BY A FAILED CATALYTIC CONVERTER. *RM UPDATED 6/7/11. *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
34232006-12-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.6 LY7 WITH CAM ACTUATOR DTC. DTC CODES, P0016, P0017, P0018, P0019, P0008, OR P0009. *KB THE RELUCTOR FOR THE CRANKSHAFT SENSOR PRESSED ON THE CRANKSHAFT MAY HAVE MOVED. *PE
36582006-02-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TCC SURGE, CHUGGLE, OR FISHBITE 5L40E WITH V6 ENGINE. *TT
36402006-01-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 3.6 LY7 MISFIRE DTC P0300 P0301 P0302 P0303 P0304 P0305 P0306. *TT
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *TT
0506010152005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK FROM FRONT OF VEHICLE. *TT
0506010132005-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WHINE, WHISTLE, RINGING TYPE NOISE HEARD FROM FRONT OF ENGINE. *TT
3250A2005-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BULLETIN-SIT-BULLETIN-1704148: 3.6 LY7 ROUGH IDLE. *SC
13662005-05-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE COOLING FAN BRACKET FASTENER. *EH
0506040162005-05-13. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE WILL NOT CRANK. *TT
0506040152005-05-13. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE HARD TO START COLD. *TT
200500032005-05-13. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE COOLING FAN BRACKET FASTENER. *EH
031020052005-05-10. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE CONTROL MODULE ECM REPROGRAM. *EH
33502005-05-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PROGRAMMING A 2005 CADILLAC WITH LH2 ENGINE. *TT
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
0506050012005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. BUZZ TYPE NOISE INSIDE VEHICLE. *EH
0406030142005-04-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSING A NO CRANK AND NO START CONDITION DUE TO DISCHARGED BATTERY. *TT
32262005-01-27. Service bulletin. ENGINE AND ENGINE COOLING. EXHAUST BUZZ NOISE 2000-2200 RPM. *EH

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