Vehicle recall 21V838000 · October 25, 2021
2020-2021 IC Bus CE
The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Navistar, Inc. (Navistar) is recalling certain 2020-2021 IC CE transit buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.
- 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.
- Remedy
- Dealers will update the engine control unit software, 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 21508.
- 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.
Recall details
- NHTSA campaign
- 21V838000
- Reported to NHTSA
- October 25, 2021
- Filed by
- Navistar, Inc.
- Manufacturer campaign
- 21508
- Owner notification
- January 18, 2022
- Vehicles potentially affected
- 5
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling › Engine › Engine control module (ECU/ECM)
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your IC Bus been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A IC Bus dealer can also check your VIN. Recall repairs are free.