NHTSA recall 23V266000
NHTSA advises: park outside, away from buildings, until the repair is done.
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 23V266000 |
| Manufacturer's number | N222375270 |
| Manufacturer | General Motors, LLC |
| Reported | 2023-04-13 |
| Owners notified | 2023-07-11 |
| Component | SERVICE BRAKES, HYDRAULIC |
| Units potentially affected | 40428 |
| Part numbers | 19407495 |
| Report | Annual report 1, for 2025 quarter 3 to 2026 quarter 2 |
|---|---|
| Filed with NHTSA | 2026-07-17 |
| Vehicles in the campaign | 40428 |
| Reported remedied | 32161 (79%) |
| Reported unreachable | 259 |
| Reported removed | 12 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
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.
What can happen
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
The 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.
| 2019 CHEVROLET 4500HD | |
|---|---|
| 2020 CHEVROLET 4500HD | |
| 2021 CHEVROLET 4500HD | |
| 2022 CHEVROLET 4500HD | |
| 2023 CHEVROLET 4500HD | |
| 2019 CHEVROLET 5500HD | |
| 2020 CHEVROLET 5500HD | |
| 2021 CHEVROLET 5500HD | |
| 2022 CHEVROLET 5500HD | |
| 2023 CHEVROLET 5500HD | |
| 2019 CHEVROLET 6500HD | |
| 2020 CHEVROLET 6500HD | |
| 2021 CHEVROLET 6500HD | |
| 2022 CHEVROLET 6500HD | |
| 2023 CHEVROLET 6500HD |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| 25-NA-065 | 2025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis. |
|---|---|
| 24-NA-048 | 2025-02-17. Service bulletin. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway. |
| 21-NA-043 | 2025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 21-NA-043 | 2024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 22-NA-244 | 2024-05-30. Warranty extension. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. |
| 15-00-89-004E | 2022-10-11. Service bulletin. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. |
| 21-NA-043 | 2022-06-02. Service bulletin. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 18NA067 | 2022-05-31. Service bulletin. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. |
| 20NA197 | 2022-05-31. Service bulletin. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. |
| PIP5520A | 2022-02-14. Service bulletin. This Preliminary information communicates There may be a concern with a rattle or scraping noise from the park brake drum, or a concern of the park brake being locked up. Caused by the vehicle being driven with the park brake engaged |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.