The worst 2026 Ic Bus Cesb problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
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Recalls 13
Structure: body
- What is wrong
- International Motors, LLC (International) is recalling certain 2025-2027 IC Bus EVSB and CESB school buses. The driver's window panel and entrance door vertical joints may have been attached without sufficient epoxy coverage. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 221, "School Bus Body Joint Strength."
- Risk
- The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.
- Remedy
- Dealers will install rivets along the driver's side window seam and entrance door seam, free of charge. Owner notification letters were mailed September 8, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 26511.
Recall number 26V460000 · Recall details
Structure: critical fasteners
- What is wrong
- International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB and 2025-2027 IC Bus EVSB school buses. The body panel joint may have been attached without sufficient epoxy coverage. As such these vehicle fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 221, "School Bus Body Joint Strength."
- Risk
- The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.
- Remedy
- Dealers will inspect and repair the interior vertical joint as necessary, free of charge. Owner notification letters were mailed May 4, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 26504. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning May 11, 2026.
Recall number 26V168000 · Recall details
Service brakes, hydraulic: foundation components: hoses, lines/piping, and fittings
- What is wrong
- International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. The brake lines may have been installed with incorrect hardware, which can result in brake line damage and cause a leak.
- Risk
- A brake fluid leak can extend the distance required to stop, increasing the risk of a crash.
- Remedy
- Dealers will inspect and replace the brake lines and brake line retainers as necessary, free of charge. Owner notification letters were mailed April 27, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 26502. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning April 20, 2026.
Recall number 26V111000 · Recall details
Equipment adaptive/mobility: wheelchair restraints/securement: latch/anchor:
- What is wrong
- International Motors, LLC (International) is recalling certain 2026-2027 IC Bus CESB school buses. The retractors may not lock, preventing the wheelchair from being properly secured.
- Risk
- An unsecured wheelchair can move during transit, increasing the risk of injury.
- Remedy
- Dealers will inspect and replace the retractors as necessary, free of charge. Owner notification letters were mailed February 16, 2026. Owners may contact International's customer service at 1‑800‑448‑7825. International's number for this recall is 25526. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning February 9, 2026.
Recall number 25V879000 · Recall details
Equipment: other: labels
- What is wrong
- International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. While carrying the maximum number of occupants, the bus may exceed Gross Vehicle Weight Rating (GVWR) when the fuel tank and fluid reservoirs are full.
- Risk
- An incorrect GVWR may lead to unintentionally overloading the bus, increasing the risk of a crash.
- Remedy
- Dealers will inspect and repair suspension as necessary, free of charge. Owner notification letters are expected to be mailed May 27, 2026. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25523.
Recall number 25V783000 · Recall details
Power train: automatic transmission: internal: clutches/bands: actuators/solenoids
- What is wrong
- International Motors, LLC (International) is recalling certain 2026 IC Bus CESB school buses. The transmission shift actuator may not have been calibrated properly, preventing the transmission from shifting into reverse.
- Risk
- The school bus may be unable to move as needed on the road, increasing the risk of a crash.
- Remedy
- Dealers will replace the shift actuator input shaft, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25520.
Recall number 25V703000 · Recall details
Visibility: windshield wiper/washer
- What is wrong
- International Motors, LLC (International) is recalling certain 2026 IC Bus CESB school buses. The weld on the crank shaft assembly may fail, preventing the the left-side wiper from working.
- Risk
- An inoperative wiper can reduce the driver's ability to see out of the windshield, increasing the risk of a crash.
- Remedy
- Dealers will inspect and replace the windshield wiper module, free of charge. Owner notification letters were mailed October 27, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25515. Vehicle Identification Numbers (VINs) involved in this recall became searchable on on November 17, 2025.
Recall number 25V640000 · Recall details
Parking brake: conventional: air
- What is wrong
- International Motors, LLC (International) is recalling certain 2024-2026 IC Bus CESB school buses. A tire may contact and damage the air dryer discharge line, causing an air leak and the unintentional activation of the parking brake.
- Risk
- Unintended activation of the parking brake while driving increases the risk of a crash.
- Remedy
- Dealers will inspect, replace, and reroute the lines as necessary, free of charge. Owner notification letters were mailed November 17, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25517.
Recall number 25V646000 · Recall details
Structure: body
- What is wrong
- International Motors, LLC (International) is recalling certain 2016-2026 IC Bus CESB and 2016-2021 RESB school buses. The underfloor reinforcement may not have been installed, compromising the structural integrity of the buses. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating and Crash Protection."
- Risk
- Reduced structural integrity may increase the risk of injury in a crash.
- Remedy
- Dealers will inspect and install a reinforcement channel as necessary, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25514.
Recall number 25V580000 · Recall details
Parking brake
- What is wrong
- International Motors, LLC (International) is recalling certain 2024-2026 IC Bus CESB and 2025 EVSB school buses. The tension spring may corrode and break, disengaging the barking brake.
- Risk
- A parking brake that is not engaged as expected when the driver releases the brakes may allow the vehicle to rollaway, increasing the risk of crash.
- Remedy
- Dealers will replace the parking brake cable and adjust the parking brake, free of charge. Owner notification letters were mailed October 6, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25511.
Recall number 25V522000 · Recall details
Parking brake
- What is wrong
- International Motors, LLC (International) is recalling certain 2025-2026 IC Bus CESB school buses. The parking brake can be released when the wheelchair platform lift is deployed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 403, "Platform Lift Systems."
- Risk
- A bus that moves while the platform lift is in operation increases the risk of injury.
- Remedy
- Dealers will replace the dash electronic control unit (DECU) module, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25506.
Recall number 25V323000 · Recall details
Seat belts: critical fasteners
- What is wrong
- International Motors, LLC (International) is recalling certain 2025-2026 IC CESB and 2025 EVSB school buses. The driver's seat belt anchor bolt may come loose.
- Risk
- A loose seat belt may not properly restrain the driver in a crash, increasing the risk of injury.
- Remedy
- Dealers will install spacers and tighten the seat belt anchor bolts, free of charge. Owner notification letters were mailed June 2, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25504.
Recall number 25V266000 · Recall details
Exterior lighting: headlights
- What is wrong
- International Motors, LLC (International) is recalling certain 2025-2026 IC Bus CESB school buses equipped with halogen headlights. When the high beams are activated, the low beams turn off. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- Headlight low beam failure can reduce visibility, increasing the risk of a crash.
- Remedy
- Dealers will update the body control module (BCM) software, free of charge. Owner notification letters were mailed April 28, 2025. Owners may contact International customer service at 1‑800‑448‑7825. International's number for this recall is 25502.
Recall number 25V176000 · Recall details
Technical service bulletins for the 2026 Ic Bus Cesb 39
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This article provides service part information for replacing a cracked gauge cluster lens
- This article provides guidance to dealership personnel, Technical Services personnel, Dealer Service...
- This document provides guidance for troubleshooting issues with the entrance door of the Next Gen CE Bus....
- This document will guide the user through installing 12V disconnect label to the battery door.
- Certain 2025 thru 2027 IC Bus™ CE Series school buses and IC Bus™ Electric CE Series school buses entrance...
- Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may
- Entrance door set screw may loosen over time and with use.
- This document will guide the user through adding a water deflector above the exterior entrance door switch...
- VIN and Incomplete Vehicle Document Label Replacement Procedure
- This document provides guidance for assessing the feasibility of implementing a customer-requested change...
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Questions about the 2026 Ic Bus Cesb
Is the 2026 Ic Bus Cesb reliable?
Owners have filed 0 complaints about the 2026 Ic Bus Cesb.
What is the most common problem with the 2026 Ic Bus Cesb?
There are not enough complaints to tell.
How many recalls does the 2026 Ic Bus Cesb have?
13 recalls, covering structure, service brakes, hydraulic and equipment adaptive/mobility.
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