INTERNATIONAL 2021 INTERNATIONAL LT Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 INTERNATIONAL LT
Brand
INTERNATIONAL
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 INTERNATIONAL LT vehicles due to engine and engine cooling:engine:engine control module (ecu/ecm):software issues. A vehicle that unexpectedly slows to idle speed on the roadway can increase the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Navistar, Inc. (Navistar) is recalling certain 2021-2024 International LT and RH trucks. The engine control module (ECM) may be unresponsive to throttle pedal application, which can cause the vehicle to unexpectedly slow to idle speed on the road.
Reported concern (NHTSA)
A vehicle that unexpectedly slows to idle speed on the roadway can increase the risk of a crash.
Recommended Action
Per NHTSA guidance
Dealers will update the ECM software, free of charge. Owner notification letters are expected to be mailed May 26, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23509.
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