2016 Cadillac CT6Service bulletins
2016 Cadillac CT6 Technical Service Bulletins
1,370 technical service bulletins (TSBs) are on record for the 2016 Cadillac CT6. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10081022Jun 14, 2016Electrical 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.
- 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
- 10082007Jun 10, 2016Electrical 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.
- 10082006Jun 10, 2016Engine cooling, Electrical system. 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.
- 10089393Jun 6, 2016Transmission and drivetrain. 44470 - customer satisfaction program. Certain 2016 model year chevrolet camaro and cadillac ct6 vehicles, equipped with an 8-speed automatic transmission (rpo m5t or m5n), may have been built with an incorrectly machined torque converter pressure plate. Over time, this condition could result in a shudder or vibration, fluctuations on the tachometer and possible torque converter failure. Replace the transmission.
- 10089332Jun 2, 2016Electrical system. 43880 - service update. For vehicles equipped with a start/stop engine control option (rpo kl9), the system level interactions related to the transition of run/crank and accessory inputs to the engine control module (ecm) during a crank event are compromised. This results in communication issues between the ecm and the intelligent battery sensor. The check engine light will illuminate and the start/stop system is…
- 10114105May 31, 2016Engine, Electrical system. This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
- 10114108May 27, 2016Electrical system. This informational bulletin provides information on the need to perform a Battery Sensor Module learn procedure after a stop/start system repair or after any repair where the 12V battery negative cable has been disconnected.
- 10114101May 25, 2016Wheels. This informational bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening or re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed.
- 10078921May 24, 2016Equipment. 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.
- 10078919May 23, 2016Engine. This preliminary information communication advises the technician that vehicles equipped with an 3.0l twin turbo charged engine 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.
- 10118547May 20, 2016Tires. This informational bulletin provides information on the temporary tire flat spotting condition.
- 10114107May 20, 2016Electrical system. This informational bulletin provides information on service programming system (SPS) errors.
- 10078915May 20, 2016Engine. 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.
- 10078913May 20, 2016Steering. 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 owners manual starting the vehicle messages section with the customer.
- 10114111May 17, 2016Electrical system. This engineering information bulletin is requesting information from the dealers on a customer concern that one of the USB ports is not charging, allowing data to transfer.
- 10078885May 17, 2016Engine. 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.
- 10118546May 16, 2016Equipment. This informational bulletin provides information on a new U.S. dealer special tool loan program.
- 10118545May 16, 2016Electrical system, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
- 10134546May 13, 2016Equipment, Back-over prevention (rear 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.
- 10134545May 13, 2016Electrical system. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
- 10126049May 13, 2016Electrical system. 43190-01 - Service Update. (Revised) This update includes a service procedure to reprogram the Engine Control Module (ECM) on certain 2016 model year Cadillac CT6 vehicles equipped with a 3.0L Twin Turbo (RPO LGW) Engine. Affected vehicles may illuminate the MIL indicator and be found to have DTC P0234 set. The vehicle may not accelerate as quickly compared to before the MIL illuminated. The vehicle is still able…
- 10134544May 11, 2016Brakes, Vehicle speed control. This technical bulletin provides a procedure to re-learn the brake pedal position sensor to correct a customer that the adaptive cruise control (ACC) will dropout without any customer input or without the vehicle detecting the presence of a vehicle in path of travel caused by to brake pedal position being out of sync with the ECM and/or BCM.
- 10078878May 11, 2016Engine. 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.
- 10078877May 11, 2016Electrical 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.
- 10126044May 10, 2016Electrical system. 43200 - Service Update. For vehicles equipped with Collision Imminent Braking with Adaptive Cruise Control, in a highly reflective environment, the short range radar data throughput is exceeded which may cause a Service Driver Assist message to be displayed on the driver information center. Dealers are to reprogram the radar sensor module.
- 10134536May 6, 2016Equipment. This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
- 10081365May 6, 2016Electrical 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.
- 10126040May 4, 2016Electrical system. 43190 - Service Update. This update includes a service procedure to reprogram the Engine Control Module (ECM) on certain 2016 model year Cadillac CT6 vehicles equipped with a 3.0L Twin Turbo (RPO LGW) Engine. Affected vehicles may illuminate the MIL indicator and be found to have DTC P0234 set. The vehicle may not accelerate as quickly compared to before the MIL illuminated. The vehicle is still able to accelerate…
- 10081264May 3, 2016Electrical 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.
- 10081262May 2, 2016Engine cooling. 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.
- 10083782Apr 27, 2016Engine, Electrical system. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of black smoke when starting the vehicle after sitting.
- 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
- 10078749Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of the radio is inopertive. New software has been released to correct this concern.
- 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
- 10083781Apr 22, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle cranks but does not start. The technician is to inspect for a sheared cam pin in the engine.
- 10083765Apr 22, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose the concern and the steps to repair the concern. Phone will not connect to android auto.
- 10083587Apr 22, 2016Equipment. This preliminary information communication advises the technician to contact the gm technical assistance center for further instructions. The concern is the radio may be unable to save xm favorite stations.
- 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
- 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
- 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
- 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
- 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
- 10083578Apr 18, 2016Equipment, Electrical system. This preliminary information communication advises the technician to contact gm technical assistance center to report the concern and obtain a case number when a customer may comment that they will have the radio shut off, and when restarting the vehicle the radio will turn on unwanted.
- 10078720Apr 18, 2016Equipment. This preliminary information communication advises the technician to contact gm technical assistance center to report the concern and obtain a case number when a customer may comment that they will have the radio shut off, and when restarting the vehicle the radio will turn on unwanted.
- 10083787Apr 15, 2016Electrical system. This preliminary information communication advises the technician that the product quality center has a part restriction for the e82 engine control module. The technician is advised to call the gm product quality center for further assistance.
- 10078717Apr 15, 2016Engine. This preliminary information communication advises the technician that the product quality center has a part restriction for the e82 engine control module. The technician is advised to call the gm product quality center for further assistance.
- 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
- 10083786Apr 11, 2016Electrical system. This preliminary information communication advises the technician that the product quality center has a part restriction for the e82 engine control module. The technician is advised to call the gm product quality center for further assistance.
- 10078669Apr 11, 2016Equipment, Engine. This preliminary information communication advises the technician that the product quality center has a part restriction for e82 engine control module. The technician will need to call the general motors product quality center for further assistance.
← All problems reported for the 2016 Cadillac CT6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.