NHTSA recall campaign
21V837000
Engine And Engine Cooling › Engine › Engine Control Module (Ecu/Ecm)
4Affected configurations shown7,322Potential units affected96.8%Latest completion context
What can happen
Safety consequence
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 fixes it
Official 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.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
2022-1
0.0%
2022-2
0.0%
2022-3
0.0%
2022-4
0.0%
2023-1
0.0%
2023-2
0.0%
2023-3
0.0%
2023-4
0.0%
2024-1
0.0%
Affected vehicles
Vehicle configurations connected to 21V837000
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.