GM Initiates Pilot Program To Replace 9T65 9-Speed Transmission
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General Motors has initiated a pilot program to repair or replace the 9T65 9-speed transmission that is found in a variety of its crossover models.
GM 9-speed transmission
Some owners of vehicles with the 9T65 have reported various problems with the 9-speed transmission. These include fifth through ninth gears being locked out at times, transmission slip and/or flare up between the first and second gear upshift, a high-pitched noise when decelerating, slippage of the torque converter, a transmission fluid leak and a flashing ‘D’ on the PRNDL display.
This pilot repair program will address the various issues owners are experiencing with the 9T65 9-speed transmission. The automaker says the intent of the pilot “is to favor replacement over internal repair,” and that “if diagnosis determines internal repairs are the root cause,” of the issues described above, then further disassembly should not occur and the entire transmission unit should instead be replaced.
That said, GM is permitting dealers to perform some repairs that may help address the issues with the transmission. These repairs are limited to external components and include replacing external seals, replacing the transmission oil cooling lines, replacing the external transmission controls, replacing the torque converter assembly and replacing the external transmission mounts, sensors, plugs and caps.
The following vehicles are affected by this issue:
- 2018-2021 Buick Enclave
- 2020-2021 Cadillac XT5
- 2020-2021 Cadillac XT6
- 2019-2021 Chevy Blazer
- 2018-2021 Chevy Traverse
- 2020-2021 GMC Acadia
This pilot program only applies to vehicles that were sold in the United States and that are less than 18 months old from the date of delivery. Additionally, the vehicle must have less than 18,000 miles on the odometer. The program will run for 12 months from the date the bulletin was released on December 1st, 2020.
Owners of affected vehicles can contact the GM owner center at 1-866-694-6546 for more information on this pilot repair program.
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I posted a comment about my 2018 Traverse and the failed transmission and it got labeled at “spam”.
I bought a 2018 Traverse new, had emissions problems, TCM problems, Parking brake issues, and they installed a new shifting column.
Now at 79k miles and I have to PAY for a new transmission because I am 19k miles beyond warranty (Raj from Chevrolet Customer Service let me know that firmly). Don’t buy one nor a used one. Watch this transmission and avoid it at all cost.