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

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 …

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

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 …

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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

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 …

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N232396500 ABS Module Reprogramming – 2022 Chevrolet Low Cab Forward (LCF) 5500HD, 2022-2023 Chevrolet LCF 5500XD

Chevrolet

January 23, 2023 NHTSA CAMPAIGN NUMBER: 23V017000 Emergency Braking and Steering Control Malfunction An improperly calibrated ADAS camera and ABS module can result in the Automatic Emergency Braking System (AEB) and Electronic Steering Control System (ESC) not functioning properly, increasing the risk of a crash.   NHTSA Campaign Number: 23V017 Manufacturer Isuzu Motors Limited Components ELECTRICAL SYSTEM, SERVICE BRAKES, …

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

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 …

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