Chevrolet Medium-Duty Trucks Brake Sensor Fire Risk

NHTSA campaign 23V266000 · Reported Apr 13, 2023 · General Motors, LLC

critical How serious is it? About this label

Owners are told to park outside and away from buildings until the repair is complete, because the short-circuit can lead to a fire.

⚠ Park outside, away from buildings — fire risk. See all such recalls.

Key facts

NHTSA campaign number	23V266000
Reported to NHTSA	Apr 13, 2023
Manufacturer	General Motors, LLC
Part affected	Service Brakes, Hydraulic
Vehicles covered	4 model/year combinations, model years 2019–2021
Do-not-drive advisory	No
Park-outside advisory	Yes — fire risk
Repair	Free at any franchised dealer

What's wrong, in plain English

A sensor that measures brake pressure may leak brake fluid into a nearby switch. That leak can cause an electrical short, which can overheat and raise the risk of a fire, whether the truck is being driven or parked.

What you should do

1. Check your VIN at nhtsa.gov/recalls. 2. Park outside and away from structures until repaired, and contact a Chevrolet dealer (1-800-222-1020) for the fix. 3. The repair is free.

Where do I find my VIN, and what do I tell the dealer?

Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 23V266000. More in how recalls work.

Affected vehicles (4)

2019 Chevrolet 5500HD
2019 Chevrolet 6500HD
2021 Chevrolet 4500HD
2021 Chevrolet 5500HD

Who to contact

Chevrolet — official Chevrolet recall lookup

Customer service: 1-800-222-1020

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Chevrolet Brake Recalls Include Fire Risks and Reduced Brake Assist · all 18 Chevrolet recalls in this area

Other Chevrolet 5500HD recalls

Nov 23, 2022Chevrolet Heavy-Duty Trucks Steering Lock Nuts May Breakhigh
Mar 19, 2021Chevrolet 5500HD Rear Axle Bolts May Loosenhigh
May 29, 2020Chevrolet Medium-Duty Trucks ABS Warning Light Failurehigh
Nov 20, 2019Chevrolet/Isuzu Trucks: Rear Wheel Lug Nuts Loosehigh

Official notice

Component: SERVICE BRAKES, HYDRAULIC
Summary: General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical short-circuit.
Safety risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the master cylinder pressure sensor and inspect the wire harness, replacing it, if necessary, free of charge. Owner notification letters were mailed July 11, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222375270.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.