The worst 2026 International HV problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 5
Electrical system: 12v/24v/48v battery: cables
- What is wrong
- International Motors, LLC (International) is recalling certain 2021, 2023-2027 MV, and 2026-2027 HV vehicles. The battery interconnect cable may contact the auxiliary stud and hold down bracket, causing a short circuit.
- Risk
- A short circuit increases the risk of a fire.
- Remedy
- Dealers will install plastic saddles onto the positive interconnect cable, install wind laces and a J-bolt between each battery, free of charge. Owner notification letters were mailed October 26, 2026. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 26510. This recall replaces and expands the federal safety agency Recall 25V534. Vehicles previously repaired under 25V534 will need the new remedy completed.
Recall number 26V459000 · Recall details
Service brakes, air: supply: hoses, lines/piping, and fittings
- What is wrong
- International Motors, LLC (International) is recalling certain 2026-2027 HV vehicles. The service brake may take longer than expected to release. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
- Risk
- A delayed brake release can increase the risk of crash.
- Remedy
- Dealers will replace the 5/8” air line with a 3/4” air line, free of charge. Owner notification letters were mailed July 13, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 26506.
Recall number 26V382000 · Recall details
Service brakes, air: supply: quick release valve
- What is wrong
- International Motors, LLC (International) is recalling certain 2026-2027 HV vehicles. The service brake may take longer than expected to release. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
- Risk
- A delayed brake release can increase the risk of crash.
- Remedy
- Dealers will remove the 5/8” air line and replace it with a 3/4” air line, free of charge. Owner notification letters were mailed June 22, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 26506. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning June 29, 2026.
Recall number 26V294000 · Recall details
Service brakes, air: antilock: control unit/module
- What is wrong
- 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
- 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 beginning January 12, 2026.
Recall number 25V817000 · Recall details
Visibility: windshield wiper/washer: linkages
- What is wrong
- International Motors, LLC (International) is recalling certain 2025-2026 HV, HX, LT, MV, RH, and 2025 EMV vehicles. The linkage that connects the right-side wiper arm to the motor may separate, causing the wipers to fail.
- Risk
- Windshield wiper failure can reduce driver visibility, increasing the risk of a crash.
- Remedy
- Dealers will replace the wiper module, free of charge. Owner notification letters were mailed June 2, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25505.
Recall number 25V276000 · Recall details
Technical service bulletins for the 2026 International HV 48
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This article provides service part information for replacing a cracked gauge cluster lens
- This article will provide the calibration revision history for S13 Integrated EPA 2024 Powertrains.
- Some low-mileage S13 engines in HV and HX chassis may experience complaints of excess fan belt noise or...
- Effective January 1, 2008 , engines built for vehicles registered in California or a CARB (Air Resources...
- This article provides guidance to dealership personnel, Technical Services personnel, Dealer Service...
- This article will provide the calibration revision history for S13 Integrated EPA 2024 Powertrains
- This document will guide the user through the parts and information related to A26B resonator removal and...
- Some low mileage S13 engines in HV and HX chassis may experience complaints of excess fan belt noise or...
- This document will guide the user through to inspect A26 turbochargers remanufactured by SRC between...
- This document will provide information regarding certain approved S13 and T14 chemicals.
Compare the 2026 International HV
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Questions about the 2026 International HV
Is the 2026 International HV reliable?
Owners have filed 0 complaints about the 2026 International HV.
What is the most common problem with the 2026 International HV?
There are not enough complaints to tell.
How many recalls does the 2026 International HV have?
5 recalls, covering electrical system, service brakes, air and visibility.
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