2020 International Hx problems, complaints & recalls
Safety recalls (3)
Structure:body 2023-03-16 · campaign 23V170000 · 5,769 vehicles
Defect: 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.
Fix: 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.
Engine 2022-09-15 · campaign 22V691000 · 7,918 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2018-2021 International HV, 2018-2020 International HX, 2018-2021 International LT and International RH vehicles. The connecting rod wrist pin may crack, resulting in connecting rod failure.
Risk: Connecting rod failure can cause an engine shutdown, increasing the risk of a crash.
Fix: Dealers will install new knock detection software to warn the driver prior to engine connecting rod failure, and replace connecting rods as necessary, free of charge. Owner notification letters were mailed February 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22518.
Suspension:multiple Axle 2020-08-20 · campaign 20V494000 · 80 vehicles
Defect: 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.
Fix: 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.
Service bulletins (137)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-07-21 · IK1900198 · Service Bulletin/Repair Instructions
this article only applies to models w/ 0016uzl built between 06/23/2014 – 05/11/2020 or models w/ 0016uzl w/ safety recall 14516 completed reference the appropriate technician manual for models outside of this population. safety recall 14516 has been issued for units built before june 23, 2014. for
Electrical System 2026-06-09 · IK0800560 · 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 oem coatings and to improve applications at t
Electrical System 2026-05-22 · 26101 · 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.
Electrical System 2026-04-07 · 26101 · 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.
Electrical System 2026-02-13 · IK0800684 · Service Bulletin/Repair Instructions
this document is to inform dealers, customers, and body builders/tems of a known bcm software issue with kernels 747 through 752. units built after november of 2024 as well as older units that were updated with dlb between 11/5/2024 and 6/26/2025 with remote power modules (rpm) modules, can experie
Engine 2026-02-05 · IK2600090 · Other
new carb idle reduction change request
Showing the 6 most recent of 137 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.