2021

Higher Than Expected Oil Consumption – 2017-2023 Chevrolet Silverado & GMC Sierra

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2020 Chevrolet Silverado

NHTSA ID Number: 10222652 Manufacturer Communication Number: 16-NA-376 Summary This informational bulletin provides information on higher than expected oil consumption.   Information on Engine Oil Consumption Guidelines for the 6.6L Duramax Diesel Engine All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. … Read more

Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs P249D, P249E – 2016-2021 Chevrolet Colorado & GMC Canyon

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2020 Chevrolet Colorado

NHTSA ID Number: 10183136 Manufacturer Communication Number: 17NA134   Summary This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.   SEOCONTENT-START Service Bulletin Bulletin No.: 17-NA-134 Date: October, 2020 INFORMATION Subject: Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs … Read more

Water Leak into Interior, and/or Various Electrical Concerns, Liftgate Actuator Noisy or Inoperative – 2017-2021 Cadillac GMC

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2019 GMC Acadia

NHTSA ID Number: 10198851 Manufacturer Communication Number: 19NA167   Summary This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative.     12 Affected Products Vehicles MAKE MODEL YEAR CADILLAC XT5 2017-2021 CADILLAC XT6 2020-2021 GMC ACADIA 2017-2021   Condition Some … Read more

Diagnostic Tip for SES Lamp Illuminated, Excessive Smoke from Tail Pipe, DTC P2002, P226D or P244A Set – 2010-2021 Chevrolet GMC Holden

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2019 Chevrolet Silverado

NHTSA ID Number: 10183132 Manufacturer Communication Number: 16NA380   Summary This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.     SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-380 Date: November, 2020 INFORMATION Subject: Diagnostic Tip for Malfunction Indicator Lamp (MIL) … Read more

Malfunction Indicator Lamp Illuminated with DTC P0300 and/or P0299/P2227 Set – 2016-2023 Buick Chevrolet GMC Holden

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2019 Chevy Equinox

NHTSA ID Number: 10219282 Manufacturer Communication Number: 18-NA-020 Summary This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.   Condition Some customers may comment on a Malfunction Indicator Lamp illuminated or a reduced power complaint … Read more