NHTSA Recall 21V837000: Engine control module (ecu/ecm) (engine and engine cooling)
Navistar, Inc. reported this safety recall to NHTSA on , covering an estimated 7,322 vehicles. It affects 2020–2023 Ic Bus Cesb.
| NHTSA campaign | 21V837000 |
|---|---|
| Manufacturer campaign | 21507 |
| Component | ENGINE AND ENGINE COOLING › ENGINE › ENGINE CONTROL MODULE (ECU/ECM) |
| Report received | October 25, 2021 |
| Owner notification | January 18, 2022 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
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.
Remedy
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.
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.
Vehicles covered by recall 21V837000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.