Service bulletins for the 2016 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.
1669 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 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. |
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| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| PIC6048C | 2016-09-23. Service bulletin. SEATS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME CUSTOMER MAY COMMENT ON THE OPERATION OF THEIR HAPTIC SEAT DURING A LANE KEEP ASSIST EVENT. LANE KEEP ASSIST WORKS DIFFERENTLY THAN LANE DEPARTURE WARNING. THE LANE KEEP ASSIST ICON IS SOLID AMBER, FORWARD CAMERA MODULE IS ACTIVELY COMMANDING A TORQUE TO ELECTRONIC POWER STEERING. THIS MEANS THAT THE DRIVER SHOULD ALSO FEEL SOME FEEDBACK FROM THE STEERING WHEEL. NO CHIMES OR HAPTIC IN THE SEAT. LANE KEEP ASSIST ICON IS FLASHING AMBER; FORWARD CAMERA MODULE IS ACTIVELY COMMANDING TORQUE TO ELECTRONIC POWER STEERING. THIS WILL ALSO BE ACCOMPANIED WITH LANE DEPARTURE WARNING CHIMES AND HAPTIC IN THE SEAT FEEDBACK BASED ON THE SETTING CHOSEN IN THE VEHICLE SETTINGS. THIS WILL TAKE PLACE WHEN THE VEHICLE HAS CROSSED LANE MARKING BY (40 CM) OR (15.75 IN). |
| PIP5407 | 2016-09-21. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE DIAGNOSTIC TROUBLE CODE P06DD OR NO OR LOW OIL PRESSURE. TECHNICIAN WILL REPLACE TIMING CHAIN TENSIONER GUIDE. IF OIL PUMP FACE IS DAMAGED AND OR WORN THRU REPLACE OIL PUMP. INSPECT BEARINGS FOR DAMAGE WEAR DUE TO DEBRIS FROM OIL PUMP. |
| PIP5405A | 2016-09-21. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE SOME VEHICLES MAY HAVE SURGE MISFIRE FEELING SENSATION DURING HIGHWAY STEADY STATE DRIVING IN MANUAL MODE OR AUTOMATIC, TYPICALLY IN 6TH, 7TH, 8TH GEAR ACCELERATING 1000 TO 2500 RPM UNDER LOAD. THIS IS OPERATING AS DESIGNED. TORQUE CONVERTER CLUTCH SLIP WITH CONDITION PRESENT, WITH SCAN TOOL TECHNICIAN MAY MONITOR PLUS OR MINUS ABOUT 10 RPM AT THE MOST, USUALLY LOWER. THIS CONCERN IS PRESENT WHEN THE THROTTLE READING 30% TO 60%. |
| PIP5405 | 2016-09-20. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE SOME VEHICLES MAY HAVE SURGE MISFIRE FEELING SENSATION DURING HIGHWAY STEADY STATE DRIVING IN MANUAL MODE OR AUTOMATIC, TYPICALLY IN 6TH, 7TH, 8TH GEAR ACCELERATING 1000 TO 2500 RPM UNDER LOAD. THIS IS OPERATING AS DESIGNED. TORQUE CONVERTER CLUTCH SLIP WITH CONDITION PRESENT, WITH SCAN TOOL TECHNICIAN MAY MONITOR PLUS OR MINUS ABOUT 10 RPM AT THE MOST, USUALLY LOWER. THIS CONCERN IS PRESENT WHEN THE THROTTLE READING 30% TO 60%. |
| PIC-5779-G | 2016-08-26. Service bulletin. STRUCTURE; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH INFORMATION ON THE PROPER WASHING OF THE BRIGHT ALUMINUM MOLDINGS TO AVOID THE MOLDINGS FROM GETTING DAMAGED. IT IS RECOMMENDED THAT A NON-ALKALINE SOLUTION BE USED FOR PREPARATION & WASHING OF THE BRIGHT ALUMINUM MOLDINGS. |
| PIC-6095-A | 2016-08-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH A DIAGNOSTIC AID FOR IDENTIFYING INFOTAINMENT COMPONENTS ON THE VEHICLES TO ENSURE THAT THE CORRECT COMPONENT IS ORDERED OR REPLACED AND THE CORRECT LABOR CODE IS USED FOR WARRANTY SUBMISSION. |
| PIP-5306-C | 2016-08-25. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT VEHICLES EQUIPPED WITH AN 3.6L ENGINE REGULAR PRODUCTION OPTION CODE LGX AS PART OF OUR ONGOING QUALITY IMPROVEMENT EFFORTS THE ENGINE IS BEING PLACED ON RESTRICTION. DEALER WILL NEED TO CALL PRODUCT QUALITY CENTER FOR ASSISTANCE. |
| PIC-6025-A | 2016-08-25. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH A DIAGNOSTIC TIP FOR VEHICLES WITH INTERMITTENT NO CRACK WITH A "TURN STEERING WHEEL START VEHICLE AGAIN". IF THERE IS A DIAGNOSTIC TROUBLE CODE B305A STORED HISTORY IN THE BODY CONTROL MODULE IT MAY HAVE BEEN CAUSED BY A BOUND UP STEERING WHEEL. REVIEW THE OWNER’S MANUAL STARTING THE VEHICLE MESSAGES SECTION WITH THE CUSTOMER. |
| PIP-5402 | 2016-08-25. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE DIAGNOSIS AND REPAIR STEPS FOR A VEHICLE WITH A CHECK ENGINE LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P015B OR A REDUCED ENGINE POWER MESSAGE WITH DIAGNOSTIC TROUBLE CODE P1101. TECHNICIAN SHOULD LOOK FOR A MISSING OR DAMAGED O-RING SEAL IN THE CHARGE AIR COOLER COUPLER. |
| PIP-5313-B | 2016-08-25. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE E80 ENGINE CONTROL MODULE PART NUMBERS 12669908 OR 12672502 HAVE BEEN PLACED ON PART RESTRICTION BY GENERAL MOTORS TECHNICAL ASSISTANCE. DEALER WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. |
| PIC-6201 | 2016-08-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS NEEDED TO DIAGNOSE AND REPAIR A VEHICLE WITH WI-FI OR BLUETOOTH INOPERATIVE OR POOR PERFORMANCE CONCERN. TECHNICIAN WILL NEED TO OBTAIN DATA FROM GLOBAL DIAGNOSTICS SERVICES 2 AND CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. |
| PIP-5309-B | 2016-08-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 8L45 8 SPEED AUTOMATIC TRANSMISSION PRODUCT QUALITY CENTER TRANSMISSION EXCHANGE HAS ENDED. |
| PIC-6086-A | 2016-08-24. Service bulletin. VISIBILITY:WINDSHIELD. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO RESOLVE THE ISSUE OF AN OILY SUBSTANCE THAT MAY BE FOUND ON THE INSIDE WINDSHIELD SURFACE, AND APPEARS TO BE LEAKING FROM THE REAR VIEW MIRROR AREA. TECHNICIAN WILL REMOVE THE MOISTURE SENSOR AND CLEAN THE GLASS AND MOUNTING BRACKET WITH ALCOHOL WIPE. IF THE GEL SEPARATES FROM THE SENSOR THE SENSOR WILL NEED TO BE REPLACED. |
| SB-31770 | 2016-08-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 31770 – SERVICE UPDATE BULLETIN. THESE VEHICLES MAY PARK OUT OF POSITION WHEN USING THE ADVANCED PARK ASSIST FEATURE. DEALERS ARE TO REPROGRAM THE ADVANCED PARKING ASSIST CONTROL MODULE. |
| CSP-30990 | 2016-08-18. Service bulletin. ENGINE; EQUIPMENT. 30990 - CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE 6.2L V-8 ENGINE OPTION MAY HAVE A CONDITION IN WHICH THE OIL PICKUP TUBE CAN LOSE CONNECTION WITH THE OIL PUMP DUE TO POOR RETENTION OF THE PICKUP TUBE TO THE OIL PAN. IF THE OIL PICKUP TUBE BECOMES LOOSE, THE VEHICLE WILL DISPLAY A SERVICE ENGINE SOON LIGHT, A NOTIFICATION OF NO OIL PRESSURE, AND A MESSAGE TO SHUT OFF THE ENGINE. IF THE CUSTOMER IGNORES THESE WARNINGS AND CONTINUES DRIVING THE VEHICLE, THE ENGINE BEARINGS MAY BECOME STARVED OF OIL AND THE ENGINE MAY FAIL. DEALERS ARE TO INSPECT THE OIL PAN IDENTIFICATION MARKINGS. AFFECTED OIL PANS WILL BE REMOVED AND THE OIL PICK UP TUBE BOLTS AND/OR OIL PAN WILL BE REPLACED. |
| PIP-5395 | 2016-08-17. Service bulletin. STRUCTURE:BODY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. INSTRUCTIONS ARE PROVIDED TO INSPECT THE FUEL FEED LINE BETWEEN THE HIGH PRESSURE FUEL PUMP AND CHASSIS FUEL LINE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.