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CarsLore / Cadillac / CT6 Plug-IN Hybrid / 2017

2017 Cadillac CT6 Plug-IN Hybrid

9 owner complaints. 1 recall, 25 service bulletins.

9complaints · 0 crashes, 0 fires
1recalls
25manufacturer bulletins
8,862 mimedian mileage at failure

Problems owners report

Complaints filed with NHTSA about the 2017 Cadillac CT6 Plug-IN Hybrid, by the system named in each complaint. One complaint can name several.

  • Power train7
  • Electrical system1
  • Structure1
  • Visibility/wiper1
  • Engine1

NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported

Recalls

18V437000 · Child seat28 Jun 2018 · 22,043 vehicles

General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.

NHTSA recalls · summaries in NHTSA's own words

Service bulletins

What Cadillac told its dealers about the 2017 Cadillac CT6 Plug-IN Hybrid: known faults, fixes and updates.

BulletinSummary
10166674This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of oil leaking from the valve rocker arm oil control valve. The information gathered will be used to develop a field fix.
10166638This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
10165904This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
10165900This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
10165893This Preliminary Information communicates to thetechnician that some customers 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
10165889This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
10165878This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
10165877This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
10165874This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
10165868This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
10165864This Preliminary information communicates that on 2016 -2017 model year vehicles equipped with 19 or 20 inch wheels that the front park assist may indicate an object when in reverse with the steering turned at or near lock is a normal Operational Characteristic and no repair attempts should be made.
10165441N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. This condition will disable certain OnStar features, including Remote Access (remote start, door lock/unlock, etc.), Connected Access (vehicle diagnostics, dealer maintenance notification, etc.), and Unlimited Access (Turn-by-Turn Navigation). The OnStar Safety & Security Plan (Automatic Crash Response and Stolen Vehicle Assistance) is functional. Dealers are to replace the OnStar module, pro
10165435N192217820 - Service Update Bulletin. The current transmission fluid may cause the customer to experience a shake or shudder feeling, which may be described as driving over rumble strips or rough pavement. Dealers are to drain the old transmission fluid and refill with the new fluid.
10165135This engineering information bulletin is requesting information from the field to validate a field fix. Before contacting engineers, remove the transmission oil pan and inspect for nickel to quarter size pieces of aluminum debris in the oil pan. The 2-3-4-6-8 and 4-5-6-7-8 reverse clutch assembly and the 1-3-5-6-7 clutch assembly may be broken in several pieces.
10165127This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
10165126This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
10165124This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
10165123This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
10165122This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
10165121This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
10165087This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
10165079This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
10164775This 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
10164748This 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
10164120This technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission.

NHTSA manufacturer communications (public domain)