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Wet Headliner and/or Carpet on the Driver Side of the Vehicle, Water Leak at Front Roof Ditch, A-pillar Area – 2022 Chevrolet Silverado MD 4500HD, 5500HD, 6500HD

January 30, 2023 by oemdtc

NHTSA ID Number: 10222838 Manufacturer Communication Number: 22-NA-194 Summary This technical bulletin provides repair information to correct a customer concern of a wet headliner, and/or carpet on the driver side of the vehicle, waterleak at front roof ditch, A-pillar area. Condition Some customers may comment on seeing a wet headliner, and/or carpet on the driver side …

N222359341 Product Emission Recall DEF Pump May Activate Before Frozen DEF is Sufficiently Thawed – 2022 Chevrolet Silverado 4500HD/500HD/6500HD

January 27, 2023 by oemdtc

NHTSA ID Number: 10222274 Manufacturer Communication Number: N222359341 Summary Population expansion for emission recall. Certain vehicles with a 6.6L diesel engine. In cold ambient temperatures when Diesel Emissions Fluid (DEF) in the DEF tank is frozen, the DEF tank pump may be activated before DEF has been sufficiently thawed by the heater. If this condition occurs, the …

TCCM Drivability DTCs and Possible Low Battery Charge – 2019-2023 Chevrolet Silverado 4500 HD, 5500HD, 6500HD

January 19, 2023January 19, 2023 by oemdtc

NHTSA ID Number: 10224305 Manufacturer Communication Number: PIP5853B Summary This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue. Condition The vehicle may have a concern with the TCCM. causing DTC to set (see below) and possible a discharged battery. DTCs setting in …

N222391080 Defective Suspension Nuts – 2021-2022 Chevrolet 4500HD/5500HD/6500HD

December 16, 2022December 3, 2022 by oemdtc

November 23, 2022 NHTSA CAMPAIGN NUMBER: 22V874000 Hex Flange Lock Nut May Break Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash. NHTSA Campaign Number: 22V874 Manufacturer General Motors, LLC Components EQUIPMENT Potential Number of Units Affected 5,861 Summary General Motors, LLC (GM) is recalling …

N222368230 Potential Brake Fluid Leak – 2022 Chevrolet Silverado MD 4500HD/5500HD/6500HD

November 14, 2022June 7, 2022 by oemdtc

May 20, 2022 NHTSA CAMPAIGN NUMBER: 22V364000 Improperly Tightened Brake Line May Leak A brake fluid leak can extend the distance required to stop the vehicle, increasing the risk of a crash. NHTSA Campaign Number: 22V364 Manufacturer General Motors, LLC Components SERVICE BRAKES, HYDRAULIC Potential Number of Units Affected 39 Summary General Motors, LLC (GM) is recalling certain …