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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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Bulletins, newest first
PI13782016-06-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI13532016-06-22. Service bulletin. EQUIPMENT; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC4986E2016-06-13. Service bulletin. STEERING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI12192016-06-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI1213A2016-06-13. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI1187A2016-06-13. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI11872016-06-13. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI0917D2016-06-09. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP51942016-06-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP4690G2016-06-09. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI0401B2016-06-02. Service bulletin. EQUIPMENT:ELECTRICAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
145762016-05-23. Service bulletin. STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000187283-A2016-03-31. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR; VISIBILITY:REARVIEW MIRRORS/DEVICES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-14742016-02-12. Service bulletin. AIR BAGS. CADILLAC: SOME VEHICLES MAY BE EXPERIENCING AN ILLUMINATION OF THE AIR BAG INDICATOR AND WOULD NEED TESTING OF TERMINAL TENSION AT STEERING WHEEL AIR BAG COIL X3 CONNECTOR. MODEL 2015 ATS, CTS. *PE
PI-1448-A2016-02-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. CADILLAC: SOME VEHICLES ARE EXPERIENCING SERVICE TRANSMISSION LIGHT FLASHING, MALFUNCTION INDICATOR LAMP (MIL) ON, VEHICLE NOT SHIFTING CORRECTLY INTO EACH RANGE. MODEL 2014-15 CTS. *PE
SB-08-24-152016-02-04. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. *PE
PB-150862015-11-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) NEEDS REPLACING. MODEL 2015. *PE
PIC6063A2015-07-21. Service bulletin. PARKING BRAKE. GENERAL MOTORS 2014-2015 CADILLAC CTS SEDAN VIN A, CADILLAC XTS: THE PARK ASSIST WARNING GOES OFF WITH NOTHING AROUND THE VEHICLE. *LJ
PIC60632015-06-17. Service bulletin. PARKING BRAKE:INDICATOR LIGHT. GENERAL MOTORS: 2015 CADILLAC CTS, XTS: CUSTOMER COMPLAINTS REGARDING THE PARK ASSIST WARNING GOES OFF WITH NOTHING AROUND THE VEHICLE. *LJ
PI14072015-06-17. Service bulletin. ENGINE. GENERAL MOTORS: 2013-2015 BUICK REGAL, CADILLAC CTS, CHEVROLET MALIBU, CHEVROLET IMPALA. INFORMATION REGARDING LOUD NOISE COMING FROM THE ENGINE. *LJ
PI0401B2015-06-11. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. GENERAL MOTORS: 2011-2015 CADILLAC CTS COUPE, CTS-V COUPE: INFORMATION REGARDING REAR VIEW CAMERA; WHEREBY THE UPPER RIGHT CORNER REAR OF CAMERA, IMAGE IS OBSTRUCTED, NOT FOCUS, CUT OFF. *LJ
PI-13602015-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC/CADILLAC/CHEVROLET: AFTER POSITIONING SHIFT LEVER INTO PARK, IT FAILS TO HOLD AND VEHICLE ROLLS WHEN BRAKE PEDAL IS RELEASED. MODEL 2013-15. ATS, CTS, ESCALADE, AVALANCHE, CAMARO, CORVETTE, EXPRESS, SILVERADO, SUBURBAN, TAHOE, SAVANA, SIERRA, YUKON. *PE UPDATED 2/5/16. *PE UPDATED 2/12/16. *PE

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