2023 Ic Bus Tc problems, complaints & recalls
Safety recalls (7)
Service Brakes, Hydraulic:fluid 2025-08-06 · campaign 25V502000 · 4,764 vehicles ⚠ PARK OUTSIDE
Defect: International Motors, LLC (International) is recalling certain 2018 International 4000 Series 4300, 2017-2025 MV, 2018-2024 1300 FBC, 2018-2025 IC Bus TC, and 2024-2025 IC Bus CECB vehicles. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a silicone black jumper harness, free of charge. Owner notification letters are expected to be mailed December 15, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25509. Vehicles previously repaired under 23V397 will need to have the new remedy completed.
Service Brakes, Hydraulic:fluid 2023-06-02 · campaign 23V397000 · 6,786 vehicles ⚠ PARK OUTSIDE
Defect: Navistar, Inc. (Navistar) is recalling certain 2016 International DuraStar, 2018-2020 and 2023-2024 International 1300FBC Stripped chassis, 2019-2022 IC Bus CE Commercial bus, 2019-2024 IC Bus TC Commercial bus, and 2019-2024 International MV vehicles. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch and if necessary, the wire harness or fuse, free of charge. Owner notification letters were mailed September 29, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23517.
Service Brakes, Air:antilock:abs Warning Light 2023-05-25 · campaign 23V370000 · 59,684 vehicles
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 motion. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brak
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.
Fix: 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.
Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm):software 2023-02-23 · campaign 23V120000 · 27,972 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2022-2024 International HV, International MV trucks, and 2022-2023 IC Bus TC commercial buses. When the parking brake is applied, the automatic transmission is still in drive or reverse position, and the stationary power take-off (PTO) switch is engaged by the operator, the engine may rev and overcome the parking brake's ability to keep the vehicle from moving.
Risk: Unexpected vehicle movement can increase the risk of a crash or injury.
Fix: Dealers will update the Cummins ECM software, free of charge. Owner notification letters are expected to be mailed April 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23504. This recall expands previous NHTSA recall number 20V-810.
Steering:critical Fasteners 2022-11-23 · campaign 22V869000 · 25,822 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2021-2022 International CV, 2022-2023 International HV, 2023 IC 1300 FBC, CE, RE, TC, International MV, HX, LT, RH, and LoneStar vehicles. The hex flange lock nuts, used in the suspension and steering joints, were improperly heat treated and may lose tension over time.
Risk: A loss of tension in the steering and suspension joints may lead to steering instability and increase the risk of a crash.
Fix: Dealers will replace the hex flange lock nuts as necessary, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22524.
Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm) 2022-08-10 · campaign 22V609000 · 283 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2023 International LT, International Lonestar, International MV, International HV, International HX, and IC Bus TC Commercial buses. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.
Risk: An unexpected engine stall can increase the risk of a crash.
Fix: Cummins will replace the ECM. Owner notification letters were mailed September 26, 2022. Owners may contact Navistar customer service at 1-800-448-7825.
Steering 2022-06-16 · campaign 22V428000 · 33,655 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2022-2023 International HX, HV, LoneStar, LT, MV, RH, IC TC Commercial Bus, and 2022 International WorkStar vehicles. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Fix: Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Interim owner notification letters were mailed August 18, 2022. Remedy parts are expected to become available in mid-October 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 22513.
Service bulletins (36)
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.
Engine 2026-02-05 · IK2600090 · Other
new carb idle reduction change request
Electrical System 2026-02-03 · IK4300035 · Service Bulletin/Repair Instructions
this tool is designed to compare diamond logic feature data across multiple vehicle configuration files. it allows users to quickly load files either manually or directly from the diamond logic builder vehicles folder using vin-based selection. as files are added or removed, the comparison runs auto
Engine 2026-01-26 · IK2600255 · Other
this document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. customer requested changes will be approved in accordance with the requirements specified in 40 cfr part 1037 to ensure continued compliance with green
Engine 2026-01-02 · IK2600047 · Service Bulletin/Repair Instructions
engine replacements for all international engines will need to follow this procedure.
Structure:body 2025-12-19 · IK1600272 · Service Bulletin/Repair Instructions
this document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
Structure:body 2025-12-18 · IK1201009 · Service Bulletin/Repair Instructions
in some geographic areas, ambient temperatures reaching below 40°f (4°c), including high levels of humidity, an operator may experience engine stalling, low performance, and/or poor aftertreatment performance. this is caused by condensation accumulating and freezing within the charge air cooler (cac
Showing the 6 most recent of 36 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.