2018–2023 Chevrolet Traverse GM 9T65 Transmission Repair
The 2018–2023 Chevrolet Traverse with the 3.6L V6 uses the 9T65 nine-speed. Turbo 4-cylinder trims and the 2024 redesign are not covered here.
Transmission at a glance
Year-specific notes
- 2018 — 2018 is the first model year of the redesigned Traverse with the 9T65.
How to confirm your transmission
- The RPO code sticker (glove box or spare-tire area) identifies the transmission; a VIN decode confirms the 9T65.
- 2.0L turbo Traverse trims are excluded, so we confirm the engine first.
- Scan-tool module data confirms the nine-speed unit and its software level.
Common GM 9T65 failure areas in the Traverse
A frequent 9T65 complaint on the Traverse; calibration and adaptive values are checked before hardware.
Can involve the shift system, internal mode switch or pressure control — each is tested.
Torque converter clutch behavior and fluid condition are the first checks.
Diagnostic considerations
- Scan all related modules and record the transmission software level.
- Review adaptive pressure values and live solenoid data.
- Road test including stop-and-go downshifts and converter lockup.
- On AWD models, check the power transfer unit and rear drive module.
Repair or rebuild?
Many 9T65 complaints start with software or valve-body issues that can be corrected without a full rebuild. When clutches are damaged or there is debris in the fluid, a rebuild or replacement unit is the dependable fix. We show you the findings first.
Closely related vehicles
Request a quote for your Chevrolet Traverse
Frequently asked questions
Is the Traverse 9T65 the same as the Enclave's?
Both use the 9T65 behind the 3.6L V6, but calibrations differ. We match parts and software to your VIN.
Should I repair or rebuild the 9T65 in my Chevrolet Traverse?
It depends on what failed. Solenoid, valve body and software faults can often be repaired; burnt clutches or metal in the pan usually mean a rebuild. We diagnose first and explain the options.
Do you give prices over the phone?
We don't quote before diagnosis because repair scope varies. Call 602-725-6800 or request a quote and we'll explain the next step. MBN Auto Diesel is at 6602 W Myrtle Ave, Glendale, AZ 85301.