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Vehicle recall 23V220000 · March 30, 2023

International LT and RH

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.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Consequence
A vehicle that unexpectedly slows to idle speed on the roadway can increase the risk of a crash.
Remedy
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.
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
23V220000
Reported to NHTSA
March 30, 2023
Filed by
Navistar, Inc.
Manufacturer campaign
23509
Owner notification
May 26, 2023
Vehicles potentially affected
770
Initiated by
the manufacturer
Components
Engine and engine cooling › Engine › Engine control module (ECU/ECM) › Software
Recall 23V220000 on nhtsa.gov, with the manufacturer’s documents

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 International 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 International dealer can also check your VIN. Recall repairs are free.