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 … Read more

Alpine Radio Exchange Program – 2016-2023 Chevrolet Medium Duty (LCF)


NHTSA ID Number: 10224837 Manufacturer Communication Number: 20-NA-051 Summary This informational bulletin provides information on the Low Cab Forward trucks and the Alpine Radio Exchange Program.   46 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 3500 2016-2022 CHEVROLET 4500 2016-2020, 2022 CHEVROLET 4500HD 2017-2022 CHEVROLET 4500XD 2017-2022 CHEVROLET 5500HD 2017-2022 CHEVROLET 5500XD 2018-2022 CHEVROLET 6500HD 2022 CHEVROLET … Read more

Information on Mimamori ECU Download (Health Report) – 2016-2023 Chevrolet Medium Duty (LCF)

2021 Chevrolet 6500XD

NHTSA ID Number: 10219280 Manufacturer Communication Number: 17-NA-050 Summary This service bulletin explains how a health report is required when doing repairs on MD LCF vehicles.   Information Important: Perform the Mimamori ECU download before clearing the DTC and before diagnosing the vehicle. In an effort for continuous improvement, there is a need to obtain Mimamori ECU … Read more

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

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

Engine Backfire and Related Driveability Issues – 1999-2002 Chevrolet & GMC B7 School Bus Chassis, C6/C7 Conventional Cab Medium Duty

QUANTUM Technologies GM

NHTSA ID Number: 10195303 Manufacturer Communication Number: TSB-013 Summary Engine Backfire and Related Driveability Issues   This bulletin is being issued to assist technicians in efficiently diagnosing and correcting backfire and other related driveability concerns. When a vehicle is identified with a backfire it is recommended that the checks listed below be followed in the indicated order. … Read more