2022

Service Engine Soon Light/Message with DTCs P0606 or P0607 in the TCM – 2020-2022 Chevrolet Corvette

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2022 Chevrolet Corvette

NHTSA ID Number: 10216360 Manufacturer Communication Number: PIP5852 Summary This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Condition Service engine tell-tale or message with stored TCM DTCs or P0606 and or P0607   Cause TCM Software anomaly   3 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET CORVETTE … Read more

17 Wheels and QHQ Tires with Poor Ride Quality – 2020-2023 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

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2023 Chevrolet Silverado

NHTSA ID Number: 10222669 Manufacturer Communication Number: 22-NA-183 Summary This informational bulletin advises the tech of a different tire/rim option that can be used to correct the customers concern.   Condition Some customers may comment on poor ride quality at highway speeds.   Cause This condition may be caused by tire inflation pressure that is high to … Read more

2015-2022 Cadillac Chevrolet GMC

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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 … Read more

Instrument Cluster Concerns and/or DTC U0155 Set – 2021-2022 Chevrolet Camaro

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2022 Chevrolet Camaro

NHTSA ID Number: 10222671 Manufacturer Communication Number: 22-NA-186 Summary This service bulletin provides repair information to correct a customer concern of Instrument Cluster Concerns and/or DTC U0155 Set.   Condition Some customers may comment that intermittently the instrument panel cluster (IPC) may exhibit any of the following conditions: The service front camera message may be displayed on … Read more

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

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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 … Read more