6500HD

Safety Recall N222375270 Brake Pressure Switch Connector Fire – 2019-2023 Chevrolet Silverado Medium Duty 4500HD/5500HD/6500HD

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2023 Chevrolet Silverado 6500HD

April 13, 2023 NHTSA CAMPAIGN NUMBER: 23V266000 Brake Pressure Switch May Short and Cause Fire An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.   NHTSA Campaign Number: 23V266 Manufacturer General Motors, LLC Components SERVICE BRAKES, HYDRAULIC Potential Number of Units Affected 40,428   Summary General … Read more

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

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2022 Chevrolet Silverado MD 6500

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 … Read more

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

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2022 Chevrolet Silverado MD 6500

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 … Read more

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

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2023 Chevrolet Silverado 6500HD

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 … Read more

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

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2022 Chevrolet Silverado MD 6500

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 … Read more