No complaints are listed for the 2021 International Lonestar. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as INTERNATIONAL LONESTAR.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
5 recalls.
Date: 2025-11-25. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES, AIR.
Defect: International Motors, LLC (International) is recalling certain 2016 7600, 2016-2023 Lonestar, 2018 8600, 2018-2023 LT, 2021-2026 MV, 2022-2023 RH, 2023-2026 HX, and 2025-2026 HV vehicles. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Consequence: Safety systems that depend on the ECU, such as Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System, may have diminished or lost functionality, increasing the risk of a crash.
Remedy: International will work with Bendix to reprogram the ECU, free of charge. Owner notification letters were mailed January 19, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 25525. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 12, 2026.
Do not drive: No. Park outside: No.
Date: 2024-10-31. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES, AIR.
Defect: International Motors, LLC (International) is recalling certain 2021-2024 Lonestar, 2021-2025 RH, HV, MV, LT, HX, and 2022 PROSTAR vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Remedy: International will work with Bendix to reprogram the ECU software, free of charge. Owner notification letters were mailed December 16, 2024. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 24515.
Do not drive: No. Park outside: No.
Date: 2023-05-25. Systems: SERVICE BRAKES, AIR.
Defect: Navistar, Inc. (Navistar) is recalling certain 2021-2024 International HV, HX, LoneStar, LT, MV, eMV, and RH trucks, and IC Bus CE, 2021-2023 IC Bus RE, and 2022-2023 IC Bus TC Commercial Buses. The anti-lock brake system (ABS) indicator light does not remain illuminated when a malfunction exists, and when the vehicle's ignition switch is on, and the vehicle is in motion. As such, these vehicles (excerpt)
Consequence: An ABS indicator light that fails to remain illuminated will not alert the driver of an ABS malfunction, which could increase the risk of a crash. (excerpt)
Remedy: Towing variant vehicles under this campaign will not be repaired under recall 24V-8918. Dealers will update the software, free of charge. Owner notification letters are expected to be mailed July 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23515. (excerpt)
Do not drive: No. Park outside: No.
Date: 2022-07-28. Systems: ELECTRICAL SYSTEM.
Defect: Navistar, Inc. (Navistar) is recalling certain 2018-2021 International LoneStar and 2016-2021 International LT vehicles. The cables that connect the batteries to the vehicle frame may become excessively hot, and in some cases, cause battery post separation.
Consequence: Excessively hot battery ground cables may cause personal injury during battery maintenance repairs. In addition, a battery post that separates from the battery can result in an engine stall without warning, increasing the risk of a crash.
Remedy: Dealers will replace the alternator positive and ground cables, and relocate the alternator ground to the starter, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22516.
Do not drive: No. Park outside: No.
Date: 2021-02-17. Systems: ELECTRICAL SYSTEM, ENGINE.
Defect: Navistar, Inc. (Navistar) is recalling certain 2018-2021 International LoneStar and 2017-2021 International LT vehicles. The battery ground cable ring terminal at the frame connecting point may break, resulting in a loss of electrical power and unintended engine shutdown without warning.
Consequence: An unexpected engine shutdown can increase the risk of a crash.
Remedy: Navistar will notify owners, and dealers will replace the battery ground cable, free of charge. The recall began on April 16, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21501.
Do not drive: No. Park outside: No.
Manufacturer communications
97 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 34 |
|---|
| ENGINE AND ENGINE COOLING | 29 |
|---|
| STRUCTURE | 12 |
|---|
| EQUIPMENT | 11 |
|---|
| POWER TRAIN | 8 |
|---|
| UNKNOWN OR OTHER | 6 |
|---|
| ENGINE | 5 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 5 |
|---|
11034295
Date: 2026-06-09. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This document will guide the user through the changes of the dielectric grease/coatings used in certain areas on all International vehicles built after 1/8/2018. International's Electrical Engineering Team made this change to improve the longevity of the OEM coatings and to improve applications at t
11033229
Date: 2026-05-22. Type: Service Campaign. Systems: ELECTRICAL SYSTEM.
Certain InternationalA? trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.
11032498
Date: 2026-04-23. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. Customer requested changes will be approved in accordance with the requirements specified in 40 CFR Part 1037 to ensure continued compliance with green
11032456
Date: 2026-04-07. Type: Service Campaign. Systems: ELECTRICAL SYSTEM.
Certain InternationalA? trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.
11028361
Date: 2026-02-05. Type: Other. Systems: ENGINE.
New CARB Idle Reduction Change Request
11029461
Date: 2026-02-03. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files. It allows users to quickly load files either manually or directly from the Diamond Logic Builder Vehicles folder using VIN-based selection. As files are added or removed, the comparison runs auto
11028362
Date: 2026-01-26. Type: Other. Systems: ENGINE.
This document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. Customer requested changes will be approved in accordance with the requirements specified in 40 CFR Part 1037 to ensure continued compliance with green
11028359
Date: 2026-01-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Engine replacements for all International engines will need to follow this procedure.
11027310
Date: 2025-12-19. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
11026148
Date: 2025-12-05. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
This document will guide the user through understanding Prop Shaft Codes and understanding the variations of prop codes. (Metric Prop codes start with the number a 4 and Non metric Prop codes start with a 2.)