2021 International Lonestar
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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These records cover every 2021 International Lonestar. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
5 recalls name the 2021 International Lonestar. Newest first.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
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…
Risk and remedy
Risk
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.
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.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11010428This 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 in blue will help you to determine the source of the lean and identify the action and parts required to correct the lean.
- 10253998Certain LoneStar may have an intake air filter that does meet quality standards.
- 10253979This document is to guide users to eliminate brake pedal rattle noise.
- 10253970This document details the procedure that must be followed to ensure proper alternator troubleshooting.
- 10253960This document covers battery diagnostics, maintenance and storage requirement.
- 10251414Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison transmission or PSI engine.
- 10251409Suggested alignment target values when performing a vehicle axle alignment.
- 10246233Tire Pressure Monitoring system; Feature Codes 16VLS, 16VUY, 16VVA, 16VVM, or 16VUZ
- 10246231J1939 Data Link Source Address Information
- 10243610How to request a horsepower quote; all International and Cummins engines
- 10243596General Wheel Speed Sensor Troubleshooting
- 10243595Diagnosis of chassis wander complaints.
- 10241555J1939 Data Link Source Address Information
- 10241554J1939 Data Link Troubleshooting
- 10240196Potential A/C Compressor Parts shortage - 4158126C1 (A/C compressor)
- 10238860Fifth Wheel Unlock - Trailer Lamp Detection Calibration. Only models equipped with BCM feature code 597017
- 10238858QLS Emergency Calibration Revert Process
- 10237479N2 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.
- 10237462QLS Emergency Calibration Revert Process
- 10237447Per 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 in the field and the unavailability of parts due to the worldwide chip shortage. This recall is step two of this program designed to revert all affected vehicles back to the certified calibration and to provide them with the latest improved DQS and Coolant Control Valve (CCV) designs. Additionally, the emergency calibration and the restoration to the certified calibration with the latest improved DQS and Coolant Control Valve (CCV) designs have no effect on vehicle Emissions.
- 10234015Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
- 10234007Telematics installation guidelines - Only units with 500K data link
- 10234000Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
- 10231068QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
- 10227455J1939 Data link source address information
- 10222490Pico Scope CCOS (Crankcase Separator Test)
- 10222483During 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 engines, feature codes 0008GXK, 0008GHJ and 0008GWY (high output alternators 275 to 375 amp output), and feature codes 0016UZL and 0016VLN (no idle HVAC), or 008XDM and 008XLD (DC to AC power inverter).
- 10219331Cab Components That Reduce Wheel End Vibration Complaints. NOTE: Lonestar Day Cab Only
- 10219330PicoScope Test One Channel RCT
- 10219328PicoScope Wheel Speed Sensor Test
- 10219325PicoScope Test Resistance and Ohmmeter
- 10219319PicoScope Test for Datalink (CAN) Health Shorts & opens
- 10219314PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
- 10219307PicoScope Test 5V & 12V Intermittent Open and Short circuit diagnostics
- 10216999Potential A/C Compressor Parts Shortage
- 10215251Side mounted cab extender fins that provide more flexibility during trailer contact.
- 10215243Cab water leak trouble shooting tips
- 10209485Water leaks past plastic vapor barrier sheet in the inner cavity of the cab entry door
- 10209484Cab water leak troubleshooting tips; HX with steel cab only
- 10208431J1939 Data Link Source Address Information
Every International Lonestar model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.