Vehicle recall 23V266000 · April 13, 2023
Chevrolet 4500HD, 5500HD and 1 more model
General Motors.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
Park affected vehicles outside, away from buildings, until they are repaired. This is the manufacturer’s safety advisory for this recall.
- 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.
- Consequence
- 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.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Recall details
- NHTSA campaign
- 23V266000
- Reported to NHTSA
- April 13, 2023
- Filed by
- General Motors, LLC
- Manufacturer campaign
- N222375270
- Owner notification
- July 11, 2023
- Vehicles potentially affected
- 40,428
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your Chevrolet been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Chevrolet dealer can also check your VIN. Recall repairs are free.