IC Bus Cesb: Engine and engine cooling — engine control module (ecu/ecm)

Affects IC Bus Cesb · 2020–2023 — about 7K vehicles.

The hazard

Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

What to do

Dealers will reprogram the ECM, free of charge. Owner notification letters notifying owners of the safety risk were mailed January 18, 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21507.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational