2021 Ic Bus TC
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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These records cover every 2021 Ic Bus TC. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
3 recalls name the 2021 Ic Bus TC. Newest first.
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 and remedy
Risk
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Remedy
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.
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…
Risk and remedy
Risk
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Remedy
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.
Navistar, Inc. (Navistar) is recalling certain 2017-2020 International WorkStar and International DuraStar, 2018-2019 IC 1300 FBC Commercial and IC HC Commercial, 2018-2021 IC CE Commercial, International MV and International HV, and 2019-2021 IC TC Commercial buses with Cummins B6.7 diesel engines with a fuel module option number FS90301 or FS90453. The…
Risk and remedy
Risk
A fire increases the risk of injury. An engine stall can increase the risk of a crash.
Remedy
Cummins will notify the affected Navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater inoperable and removing the fuse supplying electrical power to the fuel heater and installing a cover over the wire harness connector, free of charge. The recall began May 28, 2020. Owners may contact Cummins customer service at 1-800-286-6467.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11010428This article addresses chassis lean conditions on all chassis. This does not include any diagnostics for body leans such as a cab lean. Keep in mind that a chassis lean may cause or accentuate a cab lean. Filling out the printable form and using the notes in blue will help you to determine the source of the lean and identify the action and parts required to correct the lean.
- 10251414Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison transmission or PSI engine.
- 10251409Suggested alignment target values when performing a vehicle axle alignment.
- 10246231J1939 Data Link Source Address Information
- 10243610How to request a horsepower quote; all International and Cummins engines
- 10243605Bus seat back foam inspection guidelines
- 10243601Cummins B6.7 Grid Heater Relay
- 10243596General Wheel Speed Sensor Troubleshooting
- 10243595Diagnosis of chassis wander complaints.
- 10241560Luggage rack upholstery repair; only busses equipped with luggage rack.
- 10241555J1939 Data Link Source Address Information
- 10241554J1939 Data Link Troubleshooting
- 10238862Bus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
- 10238858QLS Emergency Calibration Revert Process
- 10237462QLS Emergency Calibration Revert Process
- 10237447Per agreement with EPA and CARB, Cummins, Inc. provided an emergency calibration for Cummins ISB, B6.7, ISL9, L9, and X15 engines when a DEF Quality Sensor (DQS) was not available. This action addressed the Diesel Exhaust Fluid (DEF) Quality Sensor failures in the field and the unavailability of parts due to the worldwide chip shortage. This recall is step two of this program designed to revert all affected vehicles back to the certified calibration and to provide them with the latest improved DQS and Coolant Control Valve (CCV) designs. Additionally, the emergency calibration and the restoration to the certified calibration with the latest improved DQS and Coolant Control Valve (CCV) designs have no effect on vehicle Emissions.
- 10234015Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
- 10234007Telematics installation guidelines - Only units with 500K data link
- 10234000Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
- 10232612Air Compressor Inlet Hose Chaffing / Leaking
- 10231068QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
- 10227455J1939 Data link source address information
- 10222490Pico Scope CCOS (Crankcase Separator Test)
- 10219330PicoScope Test One Channel RCT
- 10219325PicoScope Test Resistance and Ohmmeter
- 10219319PicoScope Test for Datalink (CAN) Health Shorts & opens
- 10219314PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
- 10204141Greenhouse Gas Phase 2 Regulatory Compliance Implementation
- 10204139Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
- 10204137J1939 Data Link Troubleshooting
- 10204135QLS Emergency Calibration; Models equipped with 2016 and newer Cummins B6.7, X15 and L9 engines or International A26 engine.
- 10202883New or replacement body control Module (BC,BCM) not detected; Gen 4 BCM
- 10202882How to obtain As built parameter list
- 10202871QLS Emergency Calibration; Models with 2016 Cummins ISX, A26 and EPA 2017 and newer Cummins X15, L9, or B6.7 engines
- 10201758Engine Oil Capacities. All International electronic engines 1994 to present and Cummins ISB, ISM, or ISX engines
- 10201756QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
- 10199915General wheel speed sensor troubleshooting
- 10198708Aftertreatment Clamp Corrosion; Single Can Aftertreatment Systems
- 10183466Fuel Filters, Winter Additives, and Blending Fuels for Cummins Engines
- 10179294Driveline Information Center and Troubleshooting Procedures
Every Ic Bus TC model year
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