The Recall Desk
HighNHTSA·23V220000·Announced 2025-06-03

International LT and RH Trucks Recalled for Engine Control Module Software

Navistar is recalling 2021-2024 International LT and RH trucks because the engine control module software may fail to respond to throttle pedal application, causing unexpected deceleration and increased crash risk. Dealers will reprogram the software at no cost.

What this means for you

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall involves a software defect that can cause unexpected vehicle deceleration on roadways, increasing crash risk. While no deaths or injuries have been reported, the potential for serious harm qualifies this as a risk-of-harm product, warranting a High severity rating.

Plain-English summary

Navistar, Inc. is recalling certain 2021-2024 International LT and RH trucks due to a software issue in the engine control module (ECM). The ECM controls how the engine responds to throttle pedal inputs.

The ECM software may become unresponsive to throttle pedal application. When this defect occurs, the vehicle may unexpectedly slow to idle speed while on the roadway. This sudden deceleration can increase the risk of a traffic crash.

Approximately 770 vehicles are potentially affected. Navistar is notifying owners by mail, with notification letters expected to begin arriving on or after May 26, 2023. Affected owners can contact Navistar's customer service at 1-800-448-7825 for more information, or call the NHTSA Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153).

Dealers will reprogram the ECM software at no cost to owners. Navistar's internal recall reference number is 23509.

The recalled product

Product
2024 INTERNATIONAL LT
Brand
INTERNATIONAL
Manufacturer
Navistar, Inc.
Category
Vehicle
Hazard
  • ecm-software-defect
  • unresponsive-throttle
  • crash-risk
Affected units
770

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (2)

  • LT
  • RH

Distribution

Distributed nationwide across the United States.

Related recalls

Same brand · INTERNATIONAL

Same category