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Service bulletins for the 2017 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.

1316 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP5412A2019-06-10. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician on the steps to diagnose the intermittent noise of center bearing slinger and rubber bearing support. Technician is directed to replace propeller shaft.
PIT5551D2019-06-10. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIC6231D2019-06-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles EV range is less than expected, or the estimated EV range on the display is greater than the actual range achieved. Dealer should walk the customer though using the energy screen. The energy screen will help the customer understand were there battery energy is being used.
PIC6352A2019-06-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to inspect the LVDS cable connections if unable to learn the Night Vision camera.
PIP56402019-06-10. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
PIP5226C2019-06-10. Service bulletin. EQUIPMENT; ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5569A2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIC5260C2019-06-03. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC6123C2019-06-03. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; LANE DEPARTURE. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver?s information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit?s internal operating temperature range is -40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range
PIT4610F2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa.org/
PIC6264B2019-06-03. Service bulletin. ELECTRICAL SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Battery Charger (OBCM) and the charge receptacle for the new vehicle launch of the 2017-18 Cadillac CT6 Plug In Hybrid. The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
PIC6269A2019-06-03. Service bulletin. ENGINE AND ENGINE COOLING; HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Power Inverter Control Module for the new vehicle launch of the 2017 Cadillac CT6 Plug In Hybrid. The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
PIC63592019-06-03. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates a normal cycling draw caused by the keyless entry control module for approach lighting.
19NA0812019-05-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations.
1008110001H2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats.
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
030603004Y2019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
19NA0352019-05-20. Service bulletin. PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR; PARKING BRAKE. This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.
17NA2722019-05-20. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides a procedure to replace the engine for vehicles that have the condition of Loud Noise, Malfunction Indicator Lamp Illuminated, and/or No Start with DTC P0016, P0017, P0018, or P0019 Set, due to a broken engine crank sprocket.
17NA1532019-05-20. Service bulletin. EQUIPMENT; STRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE. This informational bulletin provides information and operating tips for the hands free lift gate.
PIE0405A2019-05-13. Service bulletin. POWER TRAIN. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
17NA2972019-05-13. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative.
17NA2922019-05-13. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
17NA2832019-05-13. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers, technicians and customers on a customer concern of the appearance of one or both front cornering lamps inoperative.
16NA2072019-05-13. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN. The customer may comment on a buzzing noise from the I/P area under heavy acceleration and most noticeable after the vehicle engine has warmed up.

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