6L80 6L90 8L90 10L80 10L90 10L000 Equipped Vehicles With A Harsh Shift Shudder Surge Stall Or High Transmission Fluid Temperature – 2021-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222668 Manufacturer Communication Number: 22-NA-182 Summary This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.   Condition Some customers may comment on one or more of the following before or after the transmission has been overhauled: Harsh shifting Shudder Surging Stalling Transmission …

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Engine Related Shudder / Surge Concerns – 2019-2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10201315 Manufacturer Communication Number: PIP5794B   Summary This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.     26 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2020-2021 CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SILVERADO 2500 2019-2021 CHEVROLET …

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TCC Shudder Surge Fishbite Chuggle – 2019-2022 Buick Cadillac Chevrolet GMC

2022 Chevrolet Trailblazer

NHTSA ID Number: 10202384 Manufacturer Communication Number: PIP5608H   Summary This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern.     21 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2019-2022 CADILLAC XT5 2020-2022 CADILLAC XT6 2020-2022 CHEVROLET BLAZER 2019-2022 CHEVROLET TRAVERSE 2019-2022 GMC ACADIA 2020-2022   Condition …

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Diagnostic Aid – Surge in EV Mode at a Stop – 2011-2012 Chevrolet Volt

2012 Chevrolet Volt

NHTSA ID Number: 10188400 Manufacturer Communication Number: 21NA019   Summary This service bulletin provides Diagnostic Aid information – Surge in EV Mode at a Stop.     2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET VOLT 2011-2012   Condition Some customers may comment that there is a vehicle surge at a stop when the vehicle is in …

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Driveability Concerns Caused by Intake Rocker Arm Oil Control Valve, Chuggle, Surge, Misfire, Malfunction Indicator Lamp (MIL) Illuminated – DTC P0068, P0101, P0106, P0171, P0300, P219A, P16D0, P16D1, P2646 and/or P2647 Set – 2014-2015 Chevrolet Impala & Malibu

2015 Chevrolet Impala

NHTSA ID Number: 10205592 Manufacturer Communication Number: 21NA274   Summary This service bulletin provides a repair procedure to replace the oil control valve (OCV) to correct customers driveability concerns of Chuggle, Surge, Misfire and a Malfunction Indicator Lamp (MIL) Illuminated.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET IMPALA 2014-2015 CHEVROLET MALIBU 2014-2015   Condition …

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