Service bulletins for the 2016 Cadillac CT6
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.
1371 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 070898001B | 2016-10-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON GM DOES NOT APPROVE THE USE OF “CLIPPING” TO REPAIR COLLISION DAMAGE TO VEHICLES. GM HAS NOT TESTED OR VALIDATED A “CLIPPED VEHICLE” REPAIR; THEREFORE, GM CANNOT ENDORSE THIS TYPE OF REPAIR OR CONFIRM THE CRASH PERFORMANCE DURING A SUBSEQUENT COLLISION. |
|---|---|
| 030604017I | 2016-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS. |
| 030603004R | 2016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO TEST A BATTERY AND WHAT IS NEEDED TO WARRANTY A BATTERY. |
| 000601026I | 2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETINS PROVIDES INFORMATION ON THE INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SERVERE INTERNAL ENGINE DAMAGE. |
| 000601012F | 2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. |
| 16NA278 | 2016-10-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS. |
| 16NA264 | 2016-10-17. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RESET THE MEC TO ZERO TO CORRECT THE CUSTOMERS CONCERN OF THE NIGHT VISION STAYING ON DURING THE DAY. |
| 16NA262 | 2016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE IPC TO CHECK THE ELECTRICAL CONNECTOR FOR THE NIGHT VISION AND CORRECT THE CUSTOMERS CONCERN OF THE NIGHT VISION IS INOPERATIVE. |
| 16NA249 | 2016-10-14. Service bulletin. ENGINE AND ENGINE COOLING. THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT. |
| 16NA246 | 2016-10-14. Service bulletin. AIR BAGS. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON LOCATING AND RECONNECTING AIRBAG CONNECTORS THAT ARE NOT FULLY SEATED TO CORRECT A CUSTOMER CONCERN OF AN AIRBAG WARNING LAMP ILLUMINATED, OR ONE, OR MORE, AIRBAG DTC(S) SET. |
| 16NA242 | 2016-10-14. Service bulletin. EQUIPMENT:ELECTRICAL. THIS TECHNICAL BULLETIN PROVIDES DIAGNOSTIC TIPS TO HELP CORRECT MULTIPLE CONCERNS REGARDING THE USB PORT BEING INOPERATIVE OR UNABLE TO PLAY MUSIC THROUGH THE USB PORT. |
| 16NA241 | 2016-10-14. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE. |
| 16NA239 | 2016-10-14. Service bulletin. EQUIPMENT:ELECTRICAL. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO ENABLE THE 4G LTE WIFI ON NEWLY DELIVERED VEHICLES FOR SOME VEHICLES THAT WERE NOT SHIPPED WITH THE FEATURE NOT ENABLED. |
| 16NA197 | 2016-10-14. Service bulletin. EQUIPMENT:ELECTRICAL; VISIBILITY:SUN/MOON ROOF ASSEMBLY; VISIBILITY. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE ON REPLACING THE SUNROOF WIRING JUMPER HARNESS DUE TO THE SUNROOF GLASS AND/OR SUNROOF SHADE IS INOPERATIVE. |
| 16NA119 | 2016-10-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA. |
| 16NA112 | 2016-10-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE INTRODUCTION OF THE NEW 2016 CADILLAC CT6 TO HELP THE SERVICE DEPARTMENT PERSONNEL BECOME FAMILIAR WITH SOME OF THE VEHICLE’S NEW FEATURES AND TO DESCRIBE SOME OF THE ACTION THEY WILL NEED TO TAKE TO SERVICE THIS VEHICLE. |
| 16NA043 | 2016-10-13. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES THE CORRECT INFORMATION THAT IS NEEDED TO CORRECTLY KNOW WHAT TPM SENSOR IS NEEDED TO BE INSTALLED ON VEHICLES IF THERE IS ACCESSORY WHEELS INSTALLED AND WHO TO CONTACT WHEN THE ACCESSORY WHEELS WILL NOT LEARN THE TPM'S TO THE VEHICLES. |
| 16-NA-192 | 2016-10-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS TECHNICIAL BULLETIN PROVIDES INFORMATION ON TESTING THE ACCM DUE TO SMALL AMOUNT OF OIL WEEPING INCLUDING THE CORRECT CLEANERS TO USE FOR THE OIL/DYE. |
| 16-NA-187 | 2016-10-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE KEYLESS ENTRY CONTROL MODULE DUE TO AN INTERNAL SOFTWARE CALIBRATION CAUSING A LOW BATTERY DUE TO THE LOCK AND UNLOCK LIGHTS FLASHING INTERMITTENTLY. |
| 16-NA-186 | 2016-10-11. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE GENERATOR AND FAN BELT FOR A NOISE CONCERN DUE TO THE BELT BEING MADE TO LONG. |
| 16NA019 | 2016-10-07. Service bulletin. POWER TRAIN. THIS TECHNICAL BULLETIN PROVIDES THE PROCEDURES TO COMPLETE A TRANSSMISSION ADAPTIVE LEARN ON ALL THE DIFFERENT TYPES OF VEHICLES AND TRANSMISSIONS BASED ON RPO OPTIONS TO CORRECT A CONDITION OF HARSH SHIFTS ON HARD ACCELLERATIONS. |
| 11-08-49-001Q | 2016-10-03. Service bulletin. ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE IDENTIFICATION OF VEHICLES THAT ARE SHIPPED WITH THE TRANSPORT MODE ON AND HOW TO TURN IT OFF. |
| 15-NA-087 | 2016-10-03. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CLEAR THE DTC TO CORRECT A CUSTOMER CONCERN THAT THE STOP/START SYSTEM IS INOPERATIVE, “STOP/START SYSTEM DISABLED” MESSAGE APPEARS ON THE DIC, MALFUNCTION INDICATOR LAMP (MIL) BEING ILLUMINATED AND DTC P16DC SET CAUSED BY THE DTC DISABLING THE STOP/START SYSTEM. |
| 16-NA-141 | 2016-10-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO ALIGN THE EXHAUST SYSTEM TO CORRECT A CUSTOMER CONCERN THAT A NOISE IS HEARD INSIDE THE VEHICLE WHILE ACCELERATING DURING A RIGHT HAND TURN CAUSED BY THE EXHAUST PIPE AND/OR PIPE HEAT SHIELD CONTACTING THE UNDERBODY HEAT SHIELD. |
| PIP5094A | 2016-09-26. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF THE CONNECTOR OR COMPONENT, PRIOR TO ANY COMPONENT REPLACEMENT. ALWAYS USE THE RECOMMENDED TERMINAL TEST TOOL DURING THESE TESTS. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.