Diagnostic Tip for DTCs Set at a Low Mileage for 9T45/50/60 Automatic Transmissions – 2020-2022 Buick Cadillac Chevrolet GMC Holden

2021 Cadillac XT6

NHTSA ID Number: 10205554 Manufacturer Communication Number: 21NA169   Summary This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.     31 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2022 BUICK ENVISION 2020-2022 … Read more

Diagnostic Tips for DTCs Set at a Low Mileage for 9T65 Transmissions – 2018-2020 Buick Cadillac Chevrolet GMC

2020 Cadillac XT6

NHTSA ID Number: 10205541 Manufacturer Communication Number: 20NA136   Summary This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).     23 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018-2022 CADILLAC XT5 2020-2022 CADILLAC XT6 2020-2022 CHEVROLET BLAZER 2019-2022 CHEVROLET TRAVERSE 2018-2022 GMC ACADIA 2020-2022   Overview The 9T65 … Read more

Service Update N202293610 Electronic Transmission Range Select Mode Valve Stuck – 2019 Cadillac CT6

2019 Cadillac CT6

NHTSA ID Number: 10183224 Manufacturer Communication Number: N202293610   Summary Service Update – certain vehicles vehicles may have a condition which can cause the transmission auxiliary pump to stay on when DTC P18AA is set at engine off. Dealers are to reprogram the transmission control module.     SEOCONTENT-START Service Update N202293610 Electronic Transmission Range Select Mode … Read more