2021

Engineering Information – Service Engine Soon Lamp Illuminated, DTCs P0494, P2CB9, U0632 and/or U0633 Set – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10187736 Manufacturer Communication Number: PIE0601A   Summary This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.   10 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO … Read more

Customer Satisfaction Program N202315510 Incorrect Trailering Label – 2021 Chevrolet Tahoe & Yukon

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2021 Chevrolet Tahoe

NHTSA ID Number: 10184525 Manufacturer Communication Number: N202315510   Summary Customer Satisfaction program. Certain vehicles may have a condition in which the trailering label has zeroed out information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating (TWR) and Max Tongue Weight may show a zero instead of the proper amounts. … Read more

Customer Satisfaction Program N202313960 Daytime Running Lamp (DRL) Color Change – 2021 Chevrolet Suburban & Tahoe

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2021 Chevrolet Suburban

NHTSA ID Number: 10184526 Manufacturer Communication Number: N202313960   Summary Customer Satisfaction Program – Certain 2021 model year Chevrolet Suburban and Tahoe vehicles, may have a condition in which the daytime running lamps may shift to a bluer shade of white in its lit appearance. This will remain in effect until the headlamp cools. Replace left and … Read more

Service Update N202319660 Valve Spring Failure – 2021 Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10187618 Manufacturer Communication Number: N202319660 01   Summary Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin. … Read more

Dual Clutch Transmission Part Restriction – 2020-2021 Chevrolet Corvette

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2020 Chevrolet Corvette

NHTSA ID Number: 10201270 Manufacturer Communication Number: PIP5709P   Summary This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is no longer on restriction with the supplier for early root cause analysis.     2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET CORVETTE 2020-2021   Condition Any internal transmission related complaints.   Cause … Read more