2020

2017-2020 Chevrolet LCF 4500HD, 4500XD, 5500HD, & 5500XD Safety Recall N212333830 Rear Axle U-Bolt Nuts

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Chevrolet 4500HD

March 19, 2021 NHTSA CAMPAIGN NUMBER: 21V194000 Rear Axle U-Bolt Not Properly Tightened The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.   NHTSA Campaign Number: 21V194 Manufacturer Isuzu Technical Center of America, Inc. Components SUSPENSION Potential Number of Units Affected 258 … Read more

Information on Manual Regeneration Displayed on Drivers Information Center (DIC) – 2018-2023 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado

NHTSA ID Number: 10222783 Manufacturer Communication Number: 20-NA-203 Summary This informational bulletin explains how the regen works for the DEF system and how it works at different levels.   Condition Some customers may comment that messages on the Drivers Information Center (DIC) are related to manual regeneration operation.   Cause This condition may be caused by a … Read more

Possible Crank No Start or Extended Crank with DTC P12A6 – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10187763 Manufacturer Communication Number: 20NA218   Summary This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.   13 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET CORVETTE 2020 CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 … Read more

Diagnostic Tip to Diagnose Emission Reduction Fluid Tank Heater Element Exposed to Diesel Exhaust Fluid (DEF) , Service Emission System/Service Exhaust Fluid System Displayed on the Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated – DTC P20BB and/or P20C3 Set – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10187767 Manufacturer Communication Number: 21NA002   Summary This informational bulletin provides a test procedure, for a possible faulty DEF Heater.   13 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO 1500 2020-2021 CHEVROLET SILVERADO 2500 2020-2021 CHEVROLET SUBURBAN 2021 GMC SIERRA 1500 2020-2021 GMC SIERRA 2500 2020-2021 … Read more

Information on Transmission Flares, Slipping, Gear Hunting, Harsh Shifting, Only Shifts at Wide Open Throttle (WOT) or Hard Acceleration, Rolling in Reverse or in Wrong Direction Selected, High Engine RPM, Shift Busyness, Surging While Cruising, Will Not Upshift, Holds in a Lower Gear, Will Not Back Up Hills, Not Shifting, Jerks and/ or Loss of Power – 2019-2021 Buick Chevrolet

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2021 Chevrolet Trailblazer

NHTSA ID Number: 10187768 Manufacturer Communication Number: 21NA004   Summary This service bulletin provides information explaining possible normal CVT automatic transmission performance.   6 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2021 CHEVROLET MALIBU 2019-2021 CHEVROLET TRAILBLAZER 2021     SEOCONTENT-START   Service Bulletin Bulletin No.: 21-NA-004 Date: January, 2021 INFORMATION Subject: Information on Transmission … Read more