Model year

2021 International Lonestar

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year5202k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 International Lonestar by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

5 recall campaigns cover the 2021 International Lonestar

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2021 International Lonestar
CampaignFiledSubjectComponentVehiclesRemedy
25V-817Nov 25, 2025Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop workingElectrical system678Software update
24V-818Oct 31, 2024Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop workingElectrical system105,276Software update
23V-370May 25, 2023Anti-lock brake system (ABS) indicator light does not remain illuminated when a malfunction exists, and when the vehicle's ignition switch is on,…Brakes59,684Software update
22V-546Jul 28, 2022Cables that connect the batteries to the vehicle frame may become excessively hot, and in some cases, cause battery post separationElectrical system8,483Part replacement
21V-079Feb 17, 2021Battery ground cable ring terminal at the frame connecting point may break, resulting in a loss of electrical power and unintended engine shutdown…Electrical system27,457Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 International Lonestar

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    97 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • IK0800560 Jun 9, 2026 · Service Bulletin/Repair Instructions
      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 OE…
    • 26101 May 22, 2026 · Service Campaign
      Certain International® 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.
    • IK2600255 Apr 23, 2026 · Service Bulletin/Repair Instructions
      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 103…
    • 26101 Apr 7, 2026 · Service Campaign
      Certain International® 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.
    • IK4300035 Feb 3, 2026 · Service Bulletin/Repair Instructions
      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…
    • IK2600255 Jan 26, 2026 · Other
      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 103…
    • IK2600090 Feb 5, 2026 · Other
      New CARB Idle Reduction Change Request
    • IK2600047 Jan 2, 2026 · Service Bulletin/Repair Instructions
      Engine replacements for all International engines will need to follow this procedure.
    • IK1600272 Dec 19, 2025 · Service Bulletin/Repair Instructions
      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.
    • IK1201009 Nov 6, 2025 · Service Bulletin/Repair Instructions
      In some geographic areas, ambient temperatures reaching below 15°F (-10 °C), including high levels of humidity, an operator may experience engine stalling, low performance, and or poor aftertreatment performance. This is caused by condensation accumulating …
    • IK0600030 Dec 5, 2025 · Service Bulletin/Repair Instructions
      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.)
    • IK3400001 Aug 28, 2025 · Service Bulletin/Repair Instructions
      Title: Service Portal iKNow Feedback Case Types Applies To: All
    • IK1400005 Aug 25, 2025 · Service Bulletin/Repair Instructions
      Title: Driveline Information Center and Troubleshooting Procedures Applies To: All Vehicles
    • IK1900022 Jul 18, 2025 · Service Bulletin/Repair Instructions
      Title: A/C Refrigerant and Oil Capacities Applies To: All current models
    • IK1200716 Jul 7, 2025 · Service Bulletin/Repair Instructions
      Title: Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition Procedure Applies To: All Navistar Powered Trucks Requesting Engine Emission Label Replacement, Certificate of Conformance and/or Clean Idle Sticker, Clean …
    • IK0900157 Jul 17, 2025 · Service Bulletin/Repair Instructions
      Title: Fan belt replacement guidelines for frayed edges Applies To: All Models
    • IK0500054 Jun 4, 2025 · Service Bulletin/Repair Instructions
      Title: Steering Gear Seal Repair Guidelines Applies To: Steering gears
    • IK2600069 May 20, 2025 · Service Bulletin/Repair Instructions
      Title: How to Request a Horsepower Quote Applies To: All International and Cummins Electronic engines
    • IK0300078 May 9, 2025 · Service Bulletin/Repair Instructions
      This document reminds technicians of the critical relationship between the truck's suspension and the driveline operating angles. The information applies to diesel, gas, and electric vehicles.
    • IK1200716 Apr 24, 2025 · Emissions
      Applies To: All Navistar Powered Trucks Requesting Engine Emission Label Replacement, Certificate of Conformance and/or Clean Idle Sticker, Clean Truck Check
    • IK1400023 Oct 8, 2024 · Service Bulletin/Repair Instructions
      This article addresses chassis lean conditions on all chassis. This does not include any diagnostics for body leans such as a cab lean. Keep in mind that a chassis lean may cause or accentuate a cab lean. Filling out the printable form and using the notes i…
    • FSC 24104 Apr 29, 2024 · Service Bulletin/Repair Instructions
      Certain LoneStar may have an intake air filter that does meet quality standards.
    • IK0400037 Apr 29, 2024 · Service Bulletin/Repair Instructions
      This document is to guide users to eliminate brake pedal rattle noise.
    • IK08000403 Apr 24, 2024 · Service Bulletin/Repair Instructions
      This document details the procedure that must be followed to ensure proper alternator troubleshooting.
    • IK0800482 Apr 24, 2024 · Service Bulletin/Repair Instructions
      This document covers battery diagnostics, maintenance and storage requirement.
    • IK0800407 Feb 21, 2024 · Service Bulletin/Repair Instructions
      Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison transmission or PSI engine.
    • IK0200013 Feb 21, 2024 · Service Bulletin/Repair Instructions
      Suggested alignment target values when performing a vehicle axle alignment.
    • IK1600260 Nov 16, 2023 · Service Bulletin/Repair Instructions
      Tire Pressure Monitoring system; Feature Codes 16VLS, 16VUY, 16VVA, 16VVM, or 16VUZ
    • IK0800351 Nov 21, 2023 · Service Bulletin/Repair Instructions
      J1939 Data Link Source Address Information
    • IK2600069 Sep 7, 2023 · Service Bulletin/Repair Instructions
      How to request a horsepower quote; all International and Cummins engines
    • IK0400040 Sep 26, 2023 · Service Bulletin/Repair Instructions
      General Wheel Speed Sensor Troubleshooting
    • IK0300010 Sep 29, 2023 · Service Bulletin/Repair Instructions
      Diagnosis of chassis wander complaints.
    • IK0800351 Aug 14, 2023 · Service Bulletin/Repair Instructions
      J1939 Data Link Source Address Information
    • IKo800080 Aug 14, 2023 · Service Bulletin/Repair Instructions
      J1939 Data Link Troubleshooting
    • IK1900272 Jul 7, 2023 · Service Bulletin/Repair Instructions
      Potential A/C Compressor Parts shortage - 4158126C1 (A/C compressor)
    • IK0800652 Jun 27, 2023 · Service Bulletin/Repair Instructions
      Fifth Wheel Unlock - Trailer Lamp Detection Calibration. Only models equipped with BCM feature code 597017
    • IK0700120 Jun 16, 2023 · Service Bulletin/Repair Instructions
      QLS Emergency Calibration Revert Process
    • IK0800655 May 16, 2023 · Service Bulletin/Repair Instructions
      N2 telematics module not communicating with OCC systems. Only models built with feature codes 10ADT, 10AEY, 10AEU, 10AEZ, 10AGB, or 10AGC built from 04/04/2019 through 11/01/2022.
    • IK0700120 May 10, 2023 · Service Bulletin/Repair Instructions
      QLS Emergency Calibration Revert Process
    • 22502 May 10, 2023 · Service Bulletin/Repair Instructions
      Per agreement with EPA and CARB, Cummins, Inc. provided an emergency calibration for Cummins ISB, B6.7, ISL9, L9, and X15 engines when a DEF Quality Sensor (DQS) was not available. This action addressed the Diesel Exhaust Fluid (DEF) Quality Sensor failures…
    • IK1200101 Mar 23, 2023 · Service Bulletin/Repair Instructions
      Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
    • IK0800554 Mar 21, 2023 · Service Bulletin/Repair Instructions
      Telematics installation guidelines - Only units with 500K data link
    • IK0800407 Mar 15, 2023 · Service Bulletin/Repair Instructions
      Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
    • IK0700115 Jan 10, 2023 · Service Bulletin/Repair Instructions
      QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
    • IK0800351 Nov 16, 2022 · Service Bulletin/Repair Instructions
      J1939 Data link source address information
    • IK1201472 Sep 29, 2022 · Service Bulletin/Repair Instructions
      Pico Scope CCOS (Crankcase Separator Test)
    • 22516 Sep 21, 2022 · Service Bulletin/Repair Instructions
      During high electrical demand, the cables that ground the batteries to the vehicle frame can carry the full system current and may result in excessively hot battery ground cables and in some cases, battery post separation. Only trucks equipped with Cummins …
    • IK1600261 Aug 23, 2022 · Service Bulletin/Repair Instructions
      Cab Components That Reduce Wheel End Vibration Complaints. NOTE: Lonestar Day Cab Only
    • IK1201469 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Test One Channel RCT
    • IK0800611 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Wheel Speed Sensor Test
    • IK0800610 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Test Resistance and Ohmmeter
    • IK0800609 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Test for Datalink (CAN) Health Shorts & opens
    • IK0800607 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
    • IK0800605 Aug 23, 2022 · Service Bulletin/Repair Instructions
      PicoScope Test 5V & 12V Intermittent Open and Short circuit diagnostics
    • IK1900272 Jul 15, 2022 · Service Bulletin/Repair Instructions
      Potential A/C Compressor Parts Shortage
    • IK1900268 Jun 22, 2022 · Service Bulletin/Repair Instructions
      Side mounted cab extender fins that provide more flexibility during trailer contact.
    • IK1600131 Jun 14, 2022 · Service Bulletin/Repair Instructions
      Cab water leak trouble shooting tips
    • IK1600251 Mar 17, 2022 · Service Bulletin/Repair Instructions
      Water leaks past plastic vapor barrier sheet in the inner cavity of the cab entry door
    • IK1600131 Mar 23, 2022 · Service Bulletin/Repair Instructions
      Cab water leak troubleshooting tips; HX with steel cab only
    • IK0800351 Feb 10, 2022 · Service Bulletin/Repair Instructions
      J1939 Data Link Source Address Information
    Source: NHTSA manufacturer communications files.