2015-2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222670 Manufacturer Communication Number: 22-NA-184 Summary This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.   Condition Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic …

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8L45 8L90 No Movement After Valve Body Replacement – 2015-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10220314 Manufacturer Communication Number: 22-NA-176 Summary This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.   Condition Some technicians may comment on no movement after the valve body replacement.   Cause This may …

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Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares – 2015-2021 GM Passenger Cars and Trucks

2017 Chevrolet SS

NHTSA ID Number: 10187372 Manufacturer Communication Number: 16NA019   Summary This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.   260 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2015-2019 CADILLAC CT4 2020-2021 CADILLAC CT5 2020-2021 CADILLAC CT6 2016-2020 CADILLAC CTS 2015-2019 CADILLAC ELR 2015-2017 CADILLAC ESCALADE 2015-2021 …

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