WenmarOpen by Wenmar Pro

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

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
18NA1802019-04-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
17NA1862019-04-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides a procedure for radio replacement due to the radio tuner module being bad.
18NA2462019-04-15. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE. This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
PIT5236K2019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
PIT5074K2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIP4723C2019-04-08. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
171852019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 17185 - Service Update. Some vehicles equipped with Passive Entry Passive Start (PEPS) may have a condition in which the (PEPS) module was built with an incorrect hardware module, and is not able to be updated with corrected software. This may lead to instances of key fob battery drain, inoperable approach lighting or decreased, and run down of vehicle battery resulting in vehicle no start. Replace the keyless entry control module.
171792019-04-08. Service bulletin. ELECTRICAL SYSTEM. 17179 - Service Update. (Software Only) - Some vehicles may have been built with an incorrect calibration file affecting the passive entry passive start (PEPS) module. This condition may cause the key fob battery to drain, the approach lighting to become inoperative, and in some cases, the PEPS module may continuously ping the key fob below the voltage shut-off threshold, resulting in a low or dead vehicle battery. Reprogram the keyless entry control module.
PIC63552019-04-08. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about how to diagnosis a battery draw that may be caused by a module back feeding voltage in the ignition relay circuits making the vehicle think it is still awake.
110849001Y2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
16NA3422019-03-25. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector and to correct the customers concern for the rearview mirror video screen displaying blue.
060847001N2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
18NA1532019-03-25. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings.
17NA1332019-03-18. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the transmission for conditions of No Propulsion, Malfunction Indicator Lamp, Battery Cut Off Indicator, and Shift to Park Messages, with DTC P0A5E, P0A61, P0A64, P0A67, P0A6A, or P0A6D Set due to poor open welds or cold welds on the flex lead wires for the electric motors.
100089005H2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
PIC6272D2019-03-18. Service bulletin. ELECTRICAL SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Battery. The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
PIP5568E2019-03-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivability concerns.
PIC6231C2019-03-11. 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.
PIC6288A2018-12-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary information communicates a possible P1FFE for a stuck sensor after Repair. This explains that air pocket could cause the sensor to get stuck. It explains the process for resting the sensor float.
PIC6231B2018-11-13. 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.
PIC6270A2018-11-13. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Hybrid Powertrain Control Module 2 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.
PIC6263A2018-11-13. Service bulletin. ELECTRICAL SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has aParts Restriction for the Accessory Power 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.
PIC6272C2018-10-15. Service bulletin. ELECTRICAL SYSTEM. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Battery.The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
PIP5095F2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
PIP5373B2018-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.

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