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
| 040604051D | 2018-05-07. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This informational bulletin provides information for maintenance cleaning of the fuel injectors. |
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| 040089015N | 2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information on required operating procedures. |
| 030603004T | 2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Battery Testing and Warranty Replacement Requirements (North America ONLY) |
| 030603004S | 2018-05-07. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 09-00-89-002I | 2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information to the dealers on properly maintaining vehicles in inventory. |
| 01-08-42-001J | 2018-05-07. Service bulletin. EXTERIOR LIGHTING. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement. |
| 02-08-42-001G | 2018-05-07. Service bulletin. EQUIPMENT. This informational bulletin is to assist with the identification of issues that are not considered warrantable. |
| PI1219 | 2018-05-07. Service bulletin. POWER TRAIN. This preliminary bulletin provides information not to replace the turbocharger for a crack found during inspection. |
| PI1187A | 2018-05-07. Service bulletin. VISIBILITY:WINDSHIELD. This preliminary bulletin provides a repair to replace the windshield to fix the customers concern of the inside rearview mirrior loose or fell off with bracket. |
| 13-00-89-004H | 2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles. |
| GCUS-9-1091 | 2018-05-07. Service bulletin. ELECTRICAL SYSTEM. 15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar® to update the software for the Electronic Climate Control (ECC) system. This over-the-air update is being piloted on a few hundred customer vehicles in the mid-October thru mid-December timeframe. Pending the successful completion of the pilot, rollout to the general vehicle population will begin in January 2016. |
| 070849020M | 2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for the IPC odometer programming method quick reference guide. |
| 17NA327 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin advised the technician of a possible OnStar module configuration concern that can be changed by pressing the blue button to On Star. |
| PI1408E | 2018-04-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This PI provides a procedure to install an ionizer kit to reduce a musty odor condition. |
| 150089005A | 2018-04-23. Service bulletin. EQUIPMENT; ENGINE. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). |
| 150089004B | 2018-04-23. Service bulletin. EQUIPMENT. 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. |
| 16-NA-107 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with internal amp, and park assist symbol position wrong in rear view camera. |
| 12-08-132-001D | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement. |
| 16-NA-119 | 2018-04-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. |
| PIP5529A | 2018-03-12. 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. |
| PIP5095E | 2018-03-12. 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. |
| PIC4921E | 2018-03-12. Service bulletin. STRUCTURE:BODY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician on a proper paint code for some hard to find color options. |
| PIP5331F | 2018-03-12. 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. |
| PIP5136A | 2018-03-12. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have an engine oil odor with no oil leaks found. Technician will need to inspect for an external oil leak. Technician will need to ensure the oil level is correct. Technician will need to replace the rear main seal, if no oil leaks were found and the engine oil level is not over full. |
| PIP5180B | 2018-03-12. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.