GMC

10L60 10L80 10L90 10L1000 Automatic Transmissions With SES Light And DTCs P2812 or P2814 Setting – 2019-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10193429 Manufacturer Communication Number: PIP5799   Summary This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these DTCs.     27 Affected Products Vehicles MAKE MODEL YEAR … Read more

2.5L LCV 6L50 MYB Rough Idle Or Vibration While In Gear After A Cold Start 800 to 1000 RPM And Or A Short Vibration At A Launch – 2019-2021 Chevrolet Colorado & GMC Canyon

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2021 Chevrolet Colorado

NHTSA ID Number: 10193431 Manufacturer Communication Number: PIP5743A   Summary This Preliminary information communicates to the dealer technician diagnostic tips for a vibration concern at low engine speeds. If using these diagnostics shows root cause of the vibration to be the transmission torque converter the torque converter should be replaced.     6 Affected Products Vehicles MAKE MODEL … Read more

No Start Or Unable To Perform Theft Relearn After Replacing Or Programming A Module / DTC U1962 – 2020-2023 Buick Cadillac Chevrolet GMC

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224307 Manufacturer Communication Number: PIT5832C Summary This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.   Condition Some technicians may experience one or more of the following concerns after replacing or reprogramming a module on one of the new Vehicle … Read more

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

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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 … Read more

Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR – 2016-2020 Chevrolet Express & GMC Savana

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2020 Chevrolet Express

NHTSA ID Number: 10193437 Manufacturer Communication Number: PIP5800   Summary This Preliminary information communicates some customers may comment that the vehicle exhibits a lack of power when driving up grades or after the vehicle has been idling for long periods of time in high ambient temperatures (90 degrees or above). This condition is more noticeable when the … Read more