The 2017 Cadillac Ct6 Plug-In Hybrid has 1 NHTSA recall campaign affecting an estimated 22,043 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 11 complaints with NHTSA, most often about the power train. Last updated July 5, 2026.
Recall campaigns
CHILD SEAT18V4370002018-06-2822,043 affected
Defect
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…
Consequence
If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.
Remedy
GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.
Complaints by component
POWER TRAIN
7
ELECTRICAL SYSTEM
1
ENGINE
1
STRUCTURE:BODY
1
VISIBILITY/WIPER
1
Total complaints11
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“On more than three occasions, this vehicle has lost substantial or all propulsion due to engineering design defects with the gas/hybrid electric transmission system. All but one of these situations occurred on a high speed freeway causing potentially life threatening conditions when the vehicle…”
“On more than three occasions, this vehicle has lost substantial or all propulsion due to engineering design defects with the gas/hybrid electric transmission system. All but one of these situations occurred on a high speed freeway causing potentially life threatening conditions when the vehicle…”
“Hard shifts in low speeds, intense vibration , shudder throughout driving speed. Cadillac dealer said it is torgue converter issue, car transmission needs to be fluid exchanged for $800.”
“I purchased the used 2017 cadillac ct6 in march 2019 with 24,192 miles. It was a certified pre -owned car by the dealer. Additionally I purchased a cpo protection plus protection plan with the car. I am experiencing problems with the transmission. During acceleration and decelerating the car feels…”
“Transmission has a signification clunk/hesitation/delay shifting up from 1st-2nd gear and down from 2nd-1st gear. In the upshift, the car violently lunges forward once the acceleration rev from the push of the pedal catches up with the gear shifting, no matter how delicately you might push the…”
“Tl* the contact owns a 2017 cadillac ct6. When the vehicle was started, it lurched forward without warning. The failure occurred intermittently. The vehicle was taken to gold coast cadillac [REDACTED], located at 2123 state route 35, oakhurst, nj 07755), but the cause of the failure could not be…”
“I have had issues with my vehicle that involves hard shifting at times and also, the vehicle sometimes will lurch quite abruptly. It actually feels as if the vehicle was rear ended. I have taken the vehicle to the dealership on 4 occasions and they were only able to "replicate" the problem one…”
“Vehicle's transmission lurches and slips out of gear in coast conditions; during turns and in intersections.”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2017 Cadillac Ct6 Plug-In Hybrid as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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