2021 INTERNATIONAL LONESTAR — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
5
Recalls
7
Service Bulletins
0
Investigations
Overview of the 2021 INTERNATIONAL LONESTAR
The 2021 INTERNATIONAL LONESTAR has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 12 recall campaigns affecting this vehicle, covering issues with SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE, ELECTRICAL SYSTEM:SOFTWARE. 7 technical service bulletins have been issued by Navistar, Inc. for this model year.
Recalls for the 2021 INTERNATIONAL LONESTAR
NHTSA has recorded 12 recalls for the 2021 INTERNATIONAL LONESTAR, potentially affecting up to 546,897 vehicles.
Recall 25V817000 — SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
| 678 vehicles affected
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...
View full details →Recall 25V817000 — SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
| 678 vehicles affected
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...
View full details →Recall 25V817000 — ELECTRICAL SYSTEM:SOFTWARE
| 678 vehicles affected
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...
View full details →Recall 25V817000 — ELECTRICAL SYSTEM:SOFTWARE
| 678 vehicles affected
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...
View full details →Recall 24V818000 — ELECTRICAL SYSTEM:SOFTWARE
| 105,276 vehicles affected
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.
View full details →Recall 24V818000 — ELECTRICAL SYSTEM:SOFTWARE
| 105,276 vehicles affected
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.
View full details →Recall 24V818000 — SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
| 105,276 vehicles affected
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.
View full details →Recall 24V818000 — SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
| 105,276 vehicles affected
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.
View full details →Recall 23V370000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 59,684 vehicles affected
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...
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.
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....
View full details →Recall 22V546000 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
| 8,483 vehicles affected
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...
View full details →Recall 21V079000 — ENGINE
| 27,457 vehicles affected
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.
View full details →Recall 21V079000 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
| 27,457 vehicles affected
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.
View full details →Owner Complaints for the 2021 INTERNATIONAL LONESTAR
No complaints have been filed with NHTSA for the 2021 INTERNATIONAL LONESTAR.
Safety Rating for the 2021 INTERNATIONAL LONESTAR
NHTSA has not yet tested the 2021 INTERNATIONAL LONESTAR in its New Car Assessment Program.
Technical Service Bulletins for the 2021 INTERNATIONAL LONESTAR
Navistar, Inc. has issued 7 technical service bulletins (TSBs) for the 2021 INTERNATIONAL LONESTAR. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
IK0800554 — ELECTRICAL SYSTEM
Telematics installation guidelines - Only units with 500K data link
IK0800554 — ENGINE AND ENGINE COOLING
Telematics installation guidelines - Only units with 500K data link
21110 — VISIBILITY
The ESPAR heater may not function properly because of a constant voltage supply from the BCM to the ESPAR control module. 2020 Model year HX, LT and Lonestar
21105 — ENGINE AND ENGINE COOLING
Certain International LT, HV and RH Series trucks may have the incorrect EGRV mounting bolts installed.
IK0800593 — EQUIPMENT:ELECTRICAL
Radio clock changes time automatically; Only vehicles built after March 2020 and excluding CV
21102 — ENGINE AND ENGINE COOLING
The air filter elements may debond resulting in dirt entering the engine intake.
21101 — ENGINE AND ENGINE COOLING
The deaeration tank may leak coolant.
NHTSA Investigations for the 2021 INTERNATIONAL LONESTAR
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the INTERNATIONAL LONESTAR
- 2016 INTERNATIONAL LONESTAR — 1 complaint
- 2017 INTERNATIONAL LONESTAR — 1 complaint
- 2018 INTERNATIONAL LONESTAR — 0 complaints
- 2019 INTERNATIONAL LONESTAR — 2 complaints
- 2020 INTERNATIONAL LONESTAR — 2 complaints
- 2021 INTERNATIONAL LONESTAR (current)
- 2022 INTERNATIONAL LONESTAR — 0 complaints
- 2023 INTERNATIONAL LONESTAR — 0 complaints
- 2024 INTERNATIONAL LONESTAR — 0 complaints
Other INTERNATIONAL Models
- INTERNATIONAL 4300 — 58 total complaints
- INTERNATIONAL PROSTAR — 52 total complaints
- INTERNATIONAL LT — 28 total complaints
- INTERNATIONAL INTERNATIONAL — 26 total complaints
- INTERNATIONAL CE — 24 total complaints
- INTERNATIONAL SCHOOL BUS — 21 total complaints
- INTERNATIONAL 4400 — 11 total complaints
- INTERNATIONAL 9900I — 10 total complaints