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Service bulletins for the 2016 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.

1582 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
16-NA-0032018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This technical bulletin provides a procedure to lubricate the exhaust valves to correct a customer on hearing a squeak or chirp noise coming from the rear of the vehicle caused by to the opening/closing of the exhaust values during normal performance.
174372018-04-02. Service bulletin. ENGINE. 17437 - Service Update. Certain vehicles may have a condition where the engine wire harness has hard contact with the generator drive belt pulley. This may cause damage to the engine wire harness. Dealers are to secure the engine wire harness retaining clip to the ECM bracket.
PIP5529A2018-03-12. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
PIP5095E2018-03-12. Service bulletin. ENGINE AND ENGINE COOLING. 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.
PIP5331F2018-03-12. 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 and 2018 model year.
PIP5486B2018-03-12. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
PIP5180B2018-03-12. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 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.
PIP4670E2018-03-12. Service bulletin. ELECTRICAL SYSTEM. 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.
PIC6137D2018-02-21. 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.
PIC5891E2018-02-21. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.
PIP5226B2018-02-21. Service bulletin. ENGINE. 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.
PIP5331E2018-02-21. Service bulletin. BACK OVER PREVENTION. 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 and 2018 model year.
PIT3271H2018-02-21. Service bulletin. WHEELS. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIP5493E2018-02-21. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern.
PIP5540A2018-02-21. Service bulletin. ENGINE. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP55452018-02-21. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; STEERING:HYDRAULIC POWER ASSIST:PUMP. This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
PIP55402018-02-21. Service bulletin. EQUIPMENT. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
PIT54682018-01-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken place. Technician should delete all Bluetooth pairings and then reboot the Bluetooth device and the vehicle. After the vehicle and radio is booted back up repair the Bluetooth device.
PIP53252018-01-22. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will check for the Vehicle Emission Control Information Label. By using the engine Regular Production Option Code as well as the Vehicle Emission Control Information Label, technician can confirm the vehicle has a factory installed alternative fuel system or who the manufacturer is of the aftermarket fuel system.
PIT54612018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a random infotainment system resets while driving, screen temporarily goes blank and then returns after approximately 5 seconds, radio volume control inoperative, Heater-Vent-Air Conditioning controls function but will not show changes on the display, seek buttons on the front controls will not function, when using CarPlay the map is intermittently bright at night, front pedestrian icon "Check Box" disappears after changing selection, over-temp Pop-up displayed randomly, displays a quick blue screen when shifting to reverse, infotainment system resets when a device with a large amount of songs is connected, XM not showing Station List, and or Radio shows XM Station ID 0 intermittently. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PIP5307A2018-01-22. Service bulletin. ENGINE. This Preliminary Information communication advises the technician that the part restriction on the 3.6 Liter generation 2 engine regular production code LGX part restriction has ended.
PIC61232018-01-22. Service bulletin. LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver?s information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit?s internal operating temperature range is -40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range
PIC4740F2018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician for multiple concerns including service engine soon light, reduced power, no crank or start, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The transmission control module or engine control module may not communicate with the scan tool. This could be caused by unseated pin or pins in the transmission connector. The technician should inspect the transmission connector X1 terminals by disconnecting it and carefully tugging on each wire to ensure the pins are fully seated. On the Cadillac ATS and CTS only the check the harness securing bracket on the passenger side of the vehicle were the transmission bell housing is attached to the engine block the harness should hang below the securing bracket. The harness should also be checked for chaffing.
PIP53192018-01-22. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician that some vehicles may have a rattle coming from the turbo on a cold start. If the technician has verified the rattle noise when cold is from the turbocharger, and the noise is unforced, there is a revised part available for this concern.
PIC5650D2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

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