2021 International HX Problems: 0 Complaints, 4 Recalls

The worst 2021 International HX problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Electrical system: softwareReported October 31, 2024 · 105,276 vehicles affected

What is wrong: 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: 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.

Recall number 24V818000 · Recall details

Service brakes, air: antilock: ABS warning lightReported May 25, 2023 · 59,684 vehicles affected

What is wrong: 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 fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
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.

Recall number 23V370000 · Recall details

Structure: bodyReported March 16, 2023 · 5,769 vehicles affected

What is wrong: Navistar, Inc. (Navistar) is recalling certain 2020-2024 International HX vehicles. The grille surround may corrode and detach from the truck.
Risk: A detached grille surround can fall to the roadway and become a road hazard, increasing the risk of a crash.
Remedy: Dealers will replace the grille surround, free of charge. Owner notification letters were mailed November 21, 2023. Owners may contact Navistar's customer service at 1‑800‑448‑7825. Navistar's number for this recall is 23507.

Recall number 23V170000 · Recall details

Suspension: multiple axleReported August 20, 2020 · 80 vehicles affected

What is wrong: Navistar, Inc. (Navistar) is recall certain 2020-2021 International HX vehicles equipped with SL2065 steerable lift axle suspension systems with a 20,000lb capacity. The lower rear pivot cap screws that connect the trailing arm to the steerable auxiliary lift axle that may not be long enough to sufficiently engage the locking feature of the corresponding nuts.
Risk: The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.
Remedy: Navistar will notify owners, and dealers will replace all of the lower rear pivot cap screws and associated nuts and washers, free of charge. The recall began October 8, 2020. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 20507.

Recall number 20V494000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Is the 2021 International HX reliable?

Owners have filed 0 complaints about the 2021 International HX.

What is the most common problem with the 2021 International HX?

There are not enough complaints to tell.

How many recalls does the 2021 International HX have?

4 recalls, covering electrical system, service brakes, air and structure.

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.