Service bulletins for the 2015 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.
1797 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Heating and air conditioning are shown. Show all
| PI1408 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary informational bulletin provides repair information to correct a customer concern of musty odor from HVAC vents on startup. |
|---|---|
| PI1408C | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. This preliminary informational bulletin provides a procedure to install a ionizer, clean evaporator and inspect the drain tube on vehicles that exhibit a condition of a musty odor from the HVAC vents on start up. |
| PIC6029 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the rear Heater-Vent-Air Conditioning does not retain the temperature settings after a key cycle. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.