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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.

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
08-00-89-014B2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on what is needed to be prepared for TAC, caller preparedness and checklists and contacting U.S. technical Assistance and the use of strategy based diagnostics
07-00-89-037I2017-08-15. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information on Courtesy Transportation and Roadside Assistance Programs
15-06-03-002B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. This informational bulletin provides information on Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers
PIE03592017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This engineering informational bulletin is requesting information from th field on vehicles that have the condition of a vehicle crank and no start with DTC P0011 and or P00C6 set
03-00-89-006M2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
03-06-03-004O2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on Battery Testing and Warranty Replacement Requirements (North America ONLY)
09-00-89-002M2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on how to properly maintain vehicles in the dealer inventory
04-00-89-015K2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not.
03-08-46-004R2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)
16-NA-0112017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ends
PI1408C2017-08-15. 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.
03-08-46-004Q2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. This informational bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules
PIC60332017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Technician may find Diagnostic Trouble Code B291B sym 3B and is unable to clear the Diagnostic Trouble Code. Technician will need to restore communication between the Body Control Module and Theft Deterrent Sensor Module to clear the Diagnostic Trouble Code.
PIC60292017-08-15. 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.
PIP5096C2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021, and or P0024. During inspection if no other drivability concerns found inspect the engine EUN sticker for an (A) before the sequence number. If there is an "A" before the sequence number then replace the OCV/Cam Actuator Solenoid Valve with a replacement "service" valve.
PIT53202017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Technician will need to press Settings, Voice, Audio Feedback Speed, and verify speed is set to Medium.
PIT4911Y2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC5891C2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. 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.
PIC60242017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that will not connect to OnStar. Technician may find Diagnostic Trouble Code B2470-04 set in the Vehicle Communication Interface Module also a red LED on the OnStar keypad will be on. Technician will need to follow published diagnostics for the Diagnostic Trouble Code. If the diagnostics lead to replacement of the Vehicle Communication Interface Module read the OnStar Customer Identifier using Global Diagnostic System 2. If the value falls in range the technician will need to remove power from the module for 5 minutes. After the power cycle was performed, check for the Diagnostic Trouble Code to be set current or history. If the Diagnostic Trouble Code is current replace the module. If the Diagnostic Trouble Code is history no further action is required.
PIC60232017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about the Outside Air Temperature Sensor Operating Characteristics. When the vehicle is parked for more than two hours the Outside Air Temperature sends the current reading. When the vehicle is parked for less than two hours and the temperature is less than the shutdown reading the Outside Air Temperature sends the current reading. When the vehicle is parked for less than two hours and the temperature is more than the shutdown reading the Outside Air Temperature the vehicle will start-up with the shutdown reading.
PIC5891B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. 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.
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.
PIT3099M2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
PIC5854C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Advise this is normal operation when listening to a weak AM or FM HD station. Technician can shut the HD option off to fix the concern.
PIC5959B2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.

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