Campaign 24V-162

Software error may cause the low air pressure warning to not function properly

Defect summary

Autocar, LLC (Autocar) is recalling certain 2020-2024 DC (Legend) vehicles. A software error may cause the low air pressure warning to not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Consequence

A low air pressure warning that does not function properly can result in driving without functioning brakes, increasing the risk of a crash.

Remedy

Dealers will update the low air pressure warning software, free of charge. Owner notification letters were mailed April 26, 2024. Owners may contact Autocar customer service at 1-888-218-3611. Autocar's number for this recall is DC-2401.

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.

Source: NHTSA ODI recalls file, campaign 24V162000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about brakes on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 24V-162
Make	Model	Model years	Complaints on this component
Autocar	Legend	2020 to 2024	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-501 Jul 30, 2026
Antilock Braking System (ABS) Electronic Control Unit (ECU) may be improperly secured, allowing the ABS ECU to separate
25V-449 Jul 3, 2025
Air tanks have an insufficient volume of air for the brake system
25V-209 Apr 3, 2025
Air tanks have an insufficient volume of air for the brake system
23V-699 Oct 17, 2023
Park brake warning light may incorrectly illuminate during an air loss event
23V-023 Jan 23, 2023
Worn parking brake control valve can leak air into the vent line, creating excessive back pressure and causing the parking brake to release…
22V-216 Apr 1, 2022
Anti-Lock Brake System (ABS) modulation valve may be wired incorrectly