Service bulletins for the 2019 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.
782 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIC6180A | 2018-11-13. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; SEATS. This Preliminary Information communication provides information to the technician with diagnostic tips for auto heated and ventilated seat operation. The auto thermal seats function activates seat heating or ventilation based on outside air temperature and the cabin air temperature control error. The cabin air temperature control error is the difference between cabin air target temperature and actual cabin air temperature. |
|---|---|
| PIP5486F | 2018-11-13. Service bulletin. 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. |
| PIP5597 | 2018-11-13. Service bulletin. ENGINE; EQUIPMENT:OTHER:LABELS. This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. |
| PIC6137E | 2018-10-15. 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. |
| PIC5779J | 2018-09-17. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings. |
| PIP5486D | 2018-09-17. Service bulletin. 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. |
| PIP5493G | 2018-09-17. Service bulletin. ENGINE. 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. Also defining calibration update information. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.