P0776

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

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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

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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

Engineering Information – Loss of and/or Reduced Propulsion, DTCs P0746, P0776, P0841 and/or P0846 Set – 2019-2021 Buick & Chevrolet

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2021 Chevrolet Trailblazer

NHTSA ID Number: 10184511 Manufacturer Communication Number: PIE0587A   Summary This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to loss of and/or reduced propulsion and multiple DTCs set.     SEOCONTENT-START Subject: Engineering Information – Loss of and/or Reduced Propulsion, DTCs P0746, P0776, … Read more

MIL Illuminates While Descending a Grade with the Transfer Case in 4wd Low – DTC P0776 Set – 2018-2020 Cadillac Chevrolet GMC

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2020 Chevrolet Suburban

NHTSA ID Number: 10178271 Manufacturer Communication Number: 20NA112   Summary This technical bulletin advises the technician to validate the code and reset if found the cause of the customers concern.   18 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2018-2020 CADILLAC ESCALADE ESV 2018-2020 CHEVROLET SUBURBAN 2018-2020 CHEVROLET TAHOE 2018-2020 GMC YUKON 2018-2020 GMC YUKON XL … Read more

Information on Malfunction Indicator Lamp (MIL) Illuminated – Multiple DTCs Set – 2020-2021 Buick & Chevrolet

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2021 Chevrolet Trailblazer

NHTSA ID Number: 10178275 Manufacturer Communication Number: 20NA120   Summary This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.   4 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2020 CHEVROLET MALIBU 2019-2020 … Read more