Service brakes, air: Antilock: Abs warning light05/25/202323V371000
Navistar, Inc. (Navistar) is recalling certain 2021-2024 IC Bus RE, 2022-2024 IC Bus CE, and IC Bus EV school buses. The anti-lock brake system (ABS) indicator light does not remain illuminated when a malfunction exists, and when the vehicle's ignition switch is on, and the vehicle is in motion. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Consequence
An ABS indicator light that fails to remain illuminated will not alert the driver of an ABS malfunction, which could increase the risk of a crash.
Remedy
Dealers will update the software, free of charge. Owner notification letters are expected to be mailed July 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23516.
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.
Electrical system: Propulsion system: Traction battery04/09/202626V226000
International Motors, LLC (International) is recalling certain 2022-2027 IC Bus EVSB school buses. The high voltage disconnect switch may fail to shut off power to the battery.
Consequence
Switch failure may lead to unintentionally working on an energized high voltage battery, increasing the risk of injury or death by electrical shock.
Remedy
Dealers will repair the high voltage disconnect connector bypass circuit, free of charge. Owner notification letters were mailed May 4, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26505. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning June 1, 2026.
Electrical system: Wiring: Switches/knobs/buttons04/09/202626V226000
International Motors, LLC (International) is recalling certain 2022-2027 IC Bus EVSB school buses. The high voltage disconnect switch may fail to shut off power to the battery.
Consequence
Switch failure may lead to unintentionally working on an energized high voltage battery, increasing the risk of injury or death by electrical shock.
Remedy
Dealers will repair the high voltage disconnect connector bypass circuit, free of charge. Owner notification letters were mailed May 4, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26505. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning June 1, 2026.