2021 IC BUS TC

3 recalls, 0 complaints - 69 TSBs

25V502000 Aug 6, 2025
SERVICE BRAKES, HYDRAULIC:FLUID
Defect Description
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 component... Read more
Consequence
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 1-800-44... Read more
4,764 vehicles affected
Manufacturer: International Motors, LLC
23V397000 Jun 2, 2023
SERVICE BRAKES, HYDRAULIC:FLUID
Defect Description
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 br... Read more
Consequence
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 cust... Read more
6,786 vehicles affected
Manufacturer: Navistar, Inc.
20V219000 Apr 17, 2020
FUEL SYSTEM, DIESEL: PRE-HEATER
Defect Description
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 ... Read more
Consequence
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 h... Read more
27,421 vehicles affected
Manufacturer: Navistar, Inc.

No complaints found for this vehicle.

Technical Service Bulletins, 2021 IC BUS TC

69 manufacturer communications from 35 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
060000 ENGINE AND ENGINE COOLING21
110000 ELECTRICAL SYSTEM14
356000 EQUIPMENT ADAPTIVE/MOBILITY4
350000 EQUIPMENT4
010000 STEERING3
100000 POWER TRAIN3
220000 SEATS2
060000 ENGINE (PWS)2
IK0800407 Feb 21, 2024
110000 ELECTRICAL SYSTEM
Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison transmission or PSI engine.
IK0800407 Feb 21, 2024
060000 ENGINE AND ENGINE COOLING
Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison transmission or PSI engine.
IK0200013 Feb 21, 2024
020000 SUSPENSION
Suggested alignment target values when performing a vehicle axle alignment.
IK0200013 Feb 21, 2024
010000 STEERING
Suggested alignment target values when performing a vehicle axle alignment.
IK0800351 Nov 21, 2023
110000 ELECTRICAL SYSTEM
J1939 Data Link Source Address Information
IK0300010 Sep 29, 2023
010000 STEERING
Diagnosis of chassis wander complaints.
IK0300010 Sep 29, 2023
020000 SUSPENSION
Diagnosis of chassis wander complaints.
IK0400040 Sep 26, 2023
030000 BRAKES (PWS)
General Wheel Speed Sensor Troubleshooting
IK2200109 Sep 25, 2023
220000 SEATS
Bus seat back foam inspection guidelines
IK1201457 Sep 22, 2023
060000 ENGINE AND ENGINE COOLING
Cummins B6.7 Grid Heater Relay
IK1201457 Sep 22, 2023
110000 ELECTRICAL SYSTEM
Cummins B6.7 Grid Heater Relay
IK2600069 Sep 7, 2023
060000 ENGINE AND ENGINE COOLING
How to request a horsepower quote; all International and Cummins engines
IK2200154 Aug 18, 2023
220000 SEATS
Luggage rack upholstery repair; only busses equipped with luggage rack.
IK0800351 Aug 14, 2023
110000 ELECTRICAL SYSTEM
J1939 Data Link Source Address Information
IKo800080 Aug 14, 2023
110000 ELECTRICAL SYSTEM
J1939 Data Link Troubleshooting
IK1500105 Jun 21, 2023
080000 FUEL SYSTEM, DIESEL
Bus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
IK0700120 Jun 16, 2023
060000 ENGINE AND ENGINE COOLING
QLS Emergency Calibration Revert Process
IK0700120 May 10, 2023
060000 ENGINE AND ENGINE COOLING
QLS Emergency Calibration Revert Process
22502 May 10, 2023
060000 ENGINE AND ENGINE COOLING
Per 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) Qualit
IK1200101 Mar 23, 2023
060000 ENGINE AND ENGINE COOLING
Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
IK0800554 Mar 21, 2023
110000 ELECTRICAL SYSTEM
Telematics installation guidelines - Only units with 500K data link
IK0800554 Mar 21, 2023
100000 POWER TRAIN
Telematics installation guidelines - Only units with 500K data link
IK0800554 Mar 21, 2023
060000 ENGINE AND ENGINE COOLING
Telematics installation guidelines - Only units with 500K data link
IK0800554 Mar 21, 2023
040000 SERVICE BRAKES, AIR
Telematics installation guidelines - Only units with 500K data link
IK0800407 Mar 15, 2023
060000 ENGINE AND ENGINE COOLING
Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
IK0800407 Mar 15, 2023
110000 ELECTRICAL SYSTEM
Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
IK0900141 Feb 23, 2023
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
Air Compressor Inlet Hose Chaffing / Leaking
IK0900141 Feb 23, 2023
060000 ENGINE AND ENGINE COOLING
Air Compressor Inlet Hose Chaffing / Leaking
IK0700115 Jan 10, 2023
060000 ENGINE AND ENGINE COOLING
QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
IK0800351 Nov 16, 2022
110000 ELECTRICAL SYSTEM
J1939 Data link source address information
IK1201472 Sep 29, 2022
060000 ENGINE AND ENGINE COOLING
Pico Scope CCOS (Crankcase Separator Test)
IK0800610 Aug 23, 2022
110000 ELECTRICAL SYSTEM
PicoScope Test Resistance and Ohmmeter
IK1201469 Aug 23, 2022
060000 ENGINE AND ENGINE COOLING
PicoScope Test One Channel RCT
IK0800607 Aug 23, 2022
110000 ELECTRICAL SYSTEM
PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
IK0800609 Aug 23, 2022
110000 ELECTRICAL SYSTEM
PicoScope Test for Datalink (CAN) Health Shorts & opens
IK2600255 Nov 22, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
IK2600255 Nov 22, 2021
180000 VEHICLE SPEED CONTROL
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
IK2600255 Nov 22, 2021
160000 STRUCTURE
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
IK2600255 Nov 22, 2021
100000 POWER TRAIN
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
IK2600255 Nov 22, 2021
060000 ENGINE AND ENGINE COOLING
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
IK0700115 Nov 18, 2021
060000 ENGINE AND ENGINE COOLING
QLS Emergency Calibration; Models equipped with 2016 and newer Cummins B6.7, X15 and L9 engines or International A26 engine.
IK1000003 Nov 2, 2021
010000 STEERING
Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
IK0800080 Nov 2, 2021
110000 ELECTRICAL SYSTEM
J1939 Data Link Troubleshooting
IK0700115 Oct 22, 2021
060000 ENGINE AND ENGINE COOLING
QLS Emergency Calibration; Models with 2016 Cummins ISX, A26 and EPA 2017 and newer Cummins X15, L9, or B6.7 engines
IK2600251 Oct 19, 2021
060000 ENGINE AND ENGINE COOLING
How to obtain As built parameter list
IK2600254 Oct 14, 2021
110000 ELECTRICAL SYSTEM
New or replacement body control Module (BC,BCM) not detected; Gen 4 BCM
IK0700115 Sep 30, 2021
060000 ENGINE AND ENGINE COOLING
QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
IK0700115 Sep 30, 2021
350000 EQUIPMENT
QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
IK0700115 Sep 30, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
IK1201299 Sep 30, 2021
060000 ENGINE AND ENGINE COOLING
Engine Oil Capacities. All International electronic engines 1994 to present and Cummins ISB, ISM, or ISX engines
IK1201299 Sep 30, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Engine Oil Capacities. All International electronic engines 1994 to present and Cummins ISB, ISM, or ISX engines
IK0700115 Sep 30, 2021
117210 ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT
QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
IK0400040 Jul 19, 2021
040000 SERVICE BRAKES, AIR
General wheel speed sensor troubleshooting
IK0400040 Jul 19, 2021
030000 SERVICE BRAKES, HYDRAULIC
General wheel speed sensor troubleshooting
IK0700112 Jun 4, 2021
060000 ENGINE AND ENGINE COOLING
Aftertreatment Clamp Corrosion; Single Can Aftertreatment Systems
IK1500074 Nov 17, 2020
060000 ENGINE AND ENGINE COOLING
Fuel Filters, Winter Additives, and Blending Fuels for CumminsA? Engines
IK1500074 Nov 17, 2020
080000 FUEL SYSTEM, DIESEL
Fuel Filters, Winter Additives, and Blending Fuels for CumminsA? Engines
IK1500074 Nov 17, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Fuel Filters, Winter Additives, and Blending Fuels for CumminsA? Engines
IK1500074 Nov 17, 2020
092300 FUEL SYSTEM, OTHER:FUEL FILTER
Fuel Filters, Winter Additives, and Blending Fuels for CumminsA? Engines
IK1400005 Aug 25, 2020
060000 ENGINE (PWS)
Driveline Information Center and Troubleshooting Procedures
IK1400005 Aug 25, 2020
350000 EQUIPMENT
Driveline Information Center and Troubleshooting Procedures
IK0800504 Aug 3, 2020
060000 ENGINE (PWS)
Repair Procedures for Vehicles Struck by Lightning
IK0800504 Aug 3, 2020
110000 ELECTRICAL SYSTEM
Repair Procedures for Vehicles Struck by Lightning
IK0800504 Aug 3, 2020
100000 POWER TRAIN
Repair Procedures for Vehicles Struck by Lightning
IK2200149 Jun 17, 2020
350000 EQUIPMENT
This article is for adding additional protection to the driver's area of the bus to help mitigate the transmission of germs.
IK0800475 May 22, 2020
353000 EQUIPMENT:ELECTRICAL
Radio Diagnostics and Information
IK0800475 May 22, 2020
350000 EQUIPMENT
Radio Diagnostics and Information
IK2200001 Apr 13, 2020
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
Bus Air Conditioning Service Contacts for HVAC Information
IK2200001 Apr 13, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Bus Air Conditioning Service Contacts for HVAC Information

IC BUS TC - All Years Overview

Complete safety history for the IC BUS TC across all model years (2018, 2025).

27 Total Recalls
0 Total Complaints
0 Investigations
0 Reported Crashes
0 Reported Fires
0 Reported Deaths

IC BUS TC - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2025 1 0 View
2024 2 0 View
2023 7 0 View
2022 5 0 View
2021 (current) 3 0
2020 4 0 View
2019 4 0 View
2018 1 0 View

Other IC BUS Models

Model Recalls Complaints
CESB 253 20 View
CE 181 23 View
RESB 106 4 View
BE 86 1 View
RE 62 1 View
FESB 50 0 View
RECB 37 0 View
CECB 29 0 View