Fuel heater may overheat and cause fire
Defect Summary
Navistar, inc. (navistar) is recalling certain 2017-2021 ic ce school buses equipped with cummins b6.7 diesel engines with fuel module option number fs90301 or fs90453. the electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. it may also lead to engine stalling.
Safety Consequence
A fire increases the risk of injury. an engine stall can increase the risk of a crash.
Corrective Action
Cummins will notify the affected navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater non-operable and remove the fuse supplying electrical power to the fuel heater and install a cover over the wire harness connector, free of charge. the recall began may 28, 2020. owners may contact cummins customer service at 1-800-286-6467.
Similar Recalls
Other recalls from International Motors, Llc or involving Fuel System, Diesel.
FAQ: Recall 20V220000
Your rights, the repair process, and what each field on this page means.
What is recall 20V220000?
NHTSA recall 20V220000 was issued by International Motors, Llc on April 17, 2020. It addresses: Fuel heater may overheat and cause fire. The recall affects approximately 23,299 vehicles, with the defect involving the Fuel System, Diesel component.
How do I get this recall repaired?
Contact any authorized International Motors, Llc dealer and reference NHTSA recall ID 20V220000 or the manufacturer campaign number None. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.