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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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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP4919A2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see increased black smoke during cold start and should be considered normal.
PIP51692017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that are setting Diagnostic Trouble Code P0300 after engine repairs. Technician will need to ensure that injector connectors for cylinder 5-7 and 6-8 are not crossed.
PIP51802017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
PIP4919C2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see increased black smoke during cold start and should be considered normal.
PIP4138P2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIP5029G2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED.
G-1926242017-02-24. Service bulletin. ENGINE. 13313 - SPECIAL COVERAGE. SOME VEHICLES, EQUIPPED WITH A 6.2L V8 ENGINE (LSA), MAY HAVE A CONDITION WHERE THE ENGINE’S SUPERCHARGER MAY NOT FUNCTION AS DESIGNED. IF THIS WERE TO HAPPEN, THE SUPERCHARGER MAY DEVELOP A NOTICEABLE RATTLE NOISE AT IDLE. THE NOISE WILL TYPICALLY GO AWAY WHEN THE ENGINE RPM IS RAISED SLIGHTLY ABOVE IDLE. HOWEVER, IF LEFT UNCORRECTED, THE PROBLEM, OVER TIME, MAY LEAD TO CONTAMINATION OF THE LUBRICATING GREASE AND CAUSE THE BEARING TO SQUEAL. IF LEFT UNADDRESSED, THE BEARING MAY OVERHEAT AND CAN CAUSE ENGINE SEIZURE OR A NO-START CONDITION. DEALERS ARE TO REPLACE THE SUPERCHARGER.
PIP4786C2016-10-20. Service bulletin. ENGINE AND ENGINE COOLING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. TECHNICIAN SHOULD FOLLOW ALL PUBLISHED SERVICE INFORMATION DIAGNOSIS. WHEN USING A SCAN TOOL IF THE OIL PRESSURE IS LOW BUT THE OIL PRESSURE AT THE OIL FILTER HOUSING IS CORRECT, TECHNICIAN SHOULD INSPECT THE VALVE LIFTER OIL FILTER FOR DEBRIS/SLUDGE THAT COULD BE RESTRICTING OIL FLOW TO THE OIL PRESSURE SENSOR. TECHNICIAN SHOULD REMOVE THE VALVE LIFTER OIL FILTER AND CLEAN IT. IF THE VALVE LIFTER OIL FILTER CANNOT BE CLEANED REPLACE IT.
PI1394A2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE.
030604017I2016-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS.
030603004R2016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO TEST A BATTERY AND WHAT IS NEEDED TO WARRANTY A BATTERY.
000601026I2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETINS PROVIDES INFORMATION ON THE INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SERVERE INTERNAL ENGINE DAMAGE.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
16-NA-0852016-10-05. Service bulletin. STRUCTURE; EQUIPMENT; ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON NEW DESIGN CYLINDER HEADS.
SB-07-06-01-016C2016-08-09. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION INTERNAL ENGINE NOISE OR DAMAGE AFTER OIL FILTER REPLACEMENT
PIP5216C2016-07-07. Service bulletin. ENGINE. If a vehicle comes into the dealership with a knock noise, seized engine, lower end squeak or squeal or any condition that you suspect a rod or main bearing failure.
PIC56302016-06-22. Service bulletin. ELECTRICAL SYSTEM; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
133132016-05-19. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP5038B2016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP4690E2016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP4690F2016-05-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP51362016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SC-11340-C2016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-11340-C2016-03-16. Service bulletin. EQUIPMENT; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-52162014-11-08. Service bulletin. ENGINE. BUICK/CADILLAC/CHEVROLET/SATURN/PONTIAC/ GMC: VEHICLE EXPERIENCE LOWER END SQUEAK OR SQUEAL, KNOCKING NOISE OR SEIZED ENGINE POSSIBLY THE MAIN BEARING OR ROD HAD FAILED. *PE

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