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Service bulletins for the 2015 Cadillac ATS

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.

1777 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
15-00-89-004A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
00-06-01-026F2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
PI1407B2017-08-15. Service bulletin. ENGINE. This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern of a loud engine whine noise.
13-00-90-002A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin communicates Information to dealership personnel that vehicles factory filled with dexos1 5W-20 oil are approved to substitute dexos1 0W-20 oil as optional top off and service fill.
PI1407A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. This preliminary informational bulletin provides repair information to correct a customer concern of a loud engine whine noise.
PI1171A2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides diagnosis and repair information regarding bearing damage or when an engine will not rotate.
PI14072017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides repair information to correct a customer concern about a loud whine noise coming from the engine. The frequency of the noise increases and decreases with the engine RPM.
PIC6137C2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that the engine stops running after extended idle with shifter in park. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. If the customer exits the vehicle with the fob in their possession while the engine is running and the shifter is left in park, the engine will shut off after 1 - 2.5 hours depending on model year. If the customer is sitting in the vehicle with the engine running and the fob is in the vehicle, the Passive Entry Passive Start system will reach out and look for the fob after 1 - 2.5 hours depending on model year. If the fob is located, the timer will reset an additional 1 - 2.5 hours depending on model year.
PIP5095D2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
PIP5331D2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate to one area in the engine. There are four different steps to diagnosis the concern. This communication was updated to include the 2017 model year.
PIP5029H2017-08-15. 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. Update added part numbers for the cleaner and model years.
PIP5180A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; 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. Technician will need to review the latest version of PIP5029 and perform a cold compression test if the concern is only a Hard Start Cold.
PIC6137B2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that the engine stops running after extended idle with shifter in park. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. If the customer exits the vehicle with the fob in their possession while the engine is running and the shifter is left in park, the engine will shut off after 2.5 hours. If the customer is sitting in the vehicle with the engine running and the fob is in the vehicle, the Passive Entry Passive Start system will reach out and look for the fob after 2.5 hours. If the fob is located, the timer will reset an additional 2.5 hours.
16-NA-0712017-08-15. Service bulletin. ENGINE. This technical bulletin provides multiple procedures to check the auto start/stop feature is working as intended by reviewing the auto start inhibit reason and/or auto stop disable reason lists in the engine control module
06-06-01-010C2017-08-15. Service bulletin. ENGINE. This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
PIP52262017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5109F2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 and 12662034 placed on restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIP52162017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair.
PIP5163A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP4670D2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIP51912017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being compressed. It the seal is compressed replace the seal and retest.
10-00-89-005F2017-07-18. Service bulletin. EQUIPMENT; ENGINE. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
10-00-89-005F2017-07-18. Service bulletin. EQUIPMENT; ENGINE. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
16-NA-2222017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE.
PIP5282A2017-05-18. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ABOUT THE CALCULATION AND OPERATION OF THE ENGINE OIL LIFE MONITOR. THE MONITOR CALCULATES THE PERCENT OF OIL LIFE REMAINING, BASED ON 3 PATHWAYS. THE FIRST PATHWAY FOR OIL LIFE CALCULATION IS ENGINE REVOLUTIONS. THE SECOND PATHWAY FOR OIL LIFE CALCULATION IS THE MILEAGE FORM THE LAST REST FOR ALL GENERAL MOTORS POWERTRAINS EXCEPT THE VOLT. THE THIRD PATHWAY FOR OIL LIFE CALCULATION IS THE AMOUNT OF TIME THE OIL IS IN THE ENGINE. THE VOLT USES A 2 YEAR TIMER INSTEAD OF 1 YEAR. IT ALSO USES THE ENGINE REVOLUTION COUNTER. IT DOES NOT USE THE MILEAGE PATHWAY TO COUNT DOWN.

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