IC BUS 2021 IC BUS CESB Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 IC BUS CESB
Brand
IC BUS
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Navistar, Inc. is recalling certain 2021 IC BUS CESB vehicles due to engine and engine cooling:engine:engine control module (ecu/ecm) issues. Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontroll.
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Navistar, Inc. (Navistar) is recalling certain 2020-2023 IC CE school buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.
Reported concern (NHTSA)
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.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026