Engine control module (ecu/ecm): softwareRecall 23V-120 · Ic Bus and International vehicles
Navistar, Inc. recall 23V-120 covers 27,972 Ic Bus and International vehicles for a engine control module (ecu/ecm): software problem, reported to NHTSA on February 23, 2023. The manufacturer's latest report (2025 Q1) shows 73% of affected vehicles repaired.
Source: NHTSA recall 23V120000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Navistar, Inc. (Navistar) is recalling certain 2022-2024 International HV, International MV trucks, and 2022-2023 IC Bus TC commercial buses. When the parking brake is applied, the automatic transmission is still in drive or reverse position, and the stationary power take-off (PTO) switch is engaged by the operator, the engine may rev and overcome the parking brake's ability to keep the vehicle from moving.
The risk
Unexpected vehicle movement can increase the risk of a crash or injury.
The fix
Dealers will update the Cummins ECM software, free of charge. Owner notification letters are expected to be mailed April 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23504. This recall expands previous NHTSA recall number 20V-810.
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
73%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.