Savana

N222386050 Left Side B-Pillar Wire Harness Fire – 2003-2023 Chevrolet Express & GMC Savana Cutaway

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Chevrolet & GMC

April 6, 2023 NHTSA CAMPAIGN NUMBER: 23V247000 Rear HVAC Electrical Circuit May Overheat An overheated electrical circuit increases the risk of a fire.   NHTSA Campaign Number: 23V247 Manufacturer General Motors, LLC Components ELECTRICAL SYSTEM Potential Number of Units Affected 149,028   Summary General Motors, LLC (GM) is recalling certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles … Read more

Information on Excessive Diesel Exhaust Fluid (DEF) Usage – 2019-2023 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10222782 Manufacturer Communication Number: 20-NA-082 Summary This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.   Condition Some customers may comment that excessive DEF is being used. Some technicians may find no codes set or messages on the DIC.   Information The current 2020 Silverado/Sierra … 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

2-3 Upshift Slip or Flare – 2006-2023 Cadillac Chevrolet GMC Hummer

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General Motors

NHTSA ID Number: 10222832 Manufacturer Communication Number: 22-NA-185 Summary This informational bulletin explains how the trans slip or flare can be a normal condition.   Condition Some customers may comment on a 2-3 upshift slip or flare.   Cause This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair … Read more

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

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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 … Read more