Engine control module (ecu/ecm): softwareRecall 23V-220 · International vehicles
Navistar, Inc. recall 23V-220 covers 770 International vehicles for a engine control module (ecu/ecm): software problem, reported to NHTSA on March 30, 2023. The manufacturer's latest report (2025 Q1) shows 82% of affected vehicles repaired.
Source: NHTSA recall 23V220000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The risk
A vehicle that unexpectedly slows to idle speed on the roadway can increase the risk of a crash.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
82%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.