2020 IC Bus Cesb problems, complaints & recalls

2020 IC Bus Cesb recalls (12)

• Recall 25V580000Sep 4, 2025457 vehicles
  STRUCTURE:BODY

  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 25V503000Aug 6, 202516,553 vehiclesPark outside
  SERVICE BRAKES, HYDRAULIC:FLUID

  International Motors, LLC (International) is recalling certain 2016-2024 IC Bus CESB school buses. 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.

  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 were mailed December 15, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25510. Vehicles previously repaired under 23V398 will need to have the new remedy completed.

• Recall 23V398000Jun 2, 202315,398 vehiclesPark outside
  SERVICE BRAKES, HYDRAULIC:FLUID

  Navistar, Inc. (Navistar) is recalling certain 2016 and 2018-2024 IC Bus CE school buses. 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.

  Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch assembly 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 23518.

• Recall 21V837000Oct 25, 20217,322 vehicles
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Navistar, Inc. (Navistar) is recalling certain 2020-2023 IC CE school buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.

  Risk: Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

  Remedy: Dealers will reprogram the ECM, free of charge. Owner notification letters notifying owners of the safety risk were mailed January 18, 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21507.

• Recall 20V220000Apr 17, 202023,299 vehicles
  FUEL SYSTEM, DIESEL: PRE-HEATER

  Navistar, Inc. (Navistar) is recalling certain 2017-2021 IC CE School Buses equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.

  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 non-operable and remove the fuse supplying electrical power to the fuel heater and install 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.

• Recall 19V580000Aug 8, 20192,677 vehicles
  STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT

  Navistar, Inc. (Navistar) is recalling certain 2019-2020 IC RE and 2020 IC CE school buses equipped with feature code 48PZP, 48PZR, 48RZY, 48SXV, or 48SZG (Prolo emergency exit roof hatches). Due to a manufacturing issue, the roof hatch external handle may unexpectedly break under reasonable use.

  Risk: If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.

  Remedy: Navistar will notify owners, and dealers will replace the outer handle, free of charge. The recall began October 7, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19513.

• Recall 19V534000Jul 17, 201916 vehicles
  ELECTRICAL SYSTEM:IGNITION:MODULE · ELECTRICAL SYSTEM:STARTER ASSEMBLY

  Navistar, Inc. (Navistar) is recalling certain 2020 IC CE school buses equipped with PSI gasoline or propane engines and C7 Body Control Modules (BCM). An electrical overload condition in the BCM from the starter solenoid may occur and cause damage to the starter circuit of the BCM, possibly resulting in an unintended command to crank the engine when the ignition key is in the run position and the transmission is in the park or neutral position.

  Risk: If the ignition is in the run position and the engine starts unexpectedly while the vehicle is being serviced, there would be an increased risk of personal injury.

  Remedy: Navistar will notify owners, and dealers will install an overlay harness and relay to provide electrical power to the starter circuit, instead of using the BCM to provide power. This repair will be performed free of charge. The recall began September 12, 2019. Navistar's number for this recall is 19512.

• Recall 19V373000May 15, 20192,620 vehicles
  SERVICE BRAKES, AIR:DISC:CALIPER

  Navistar, Inc. (Navistar) is recalling certain 2016-2020 IC CE and 2019 IC RE school buses equipped with Bendix ADB 22X brake calipers. The driver side rear brakes may drag.

  Risk: A dragging brake may cause damage to the brake components, which may activate the ABS warning light. The warning light may cause the driver to immediately stop the vehicle and transfer occupants. Additionally, the high temperatures at the wheel end can increase the risk of a fire. Either condition increases the risk of injury.

  Remedy: Navistar will notify owners, and dealers will replace the left rear caliper with a redesigned adjuster mechanism, free of charge. The recall began July 12, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19506.

• Recall 19V217000Mar 20, 201920,142 vehicles
  FUEL SYSTEM, DIESEL: PRE-HEATER

  Navistar, Inc. (Navistar) is recalling certain 2017-2020 IC Bus CESB school buses equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electrical wiring within the fuel heater may overheat and may cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.

  Risk: A fire increases the risk of injury. An engine stall can increase the risk of crash.

  Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.

• Recall 19V216000Mar 20, 201923,122 vehicles
  FUEL SYSTEM, DIESEL: PRE-HEATER

  Navistar, Inc. (Navistar) is recalling certain 2017-2020 International DuraStar and WorkStar, 2018-2020 IC Bus CECB, International HV and MV, 2018-2019 IC Bus 1300 FBC and HCCB, and 2019-2020 IC Bus TCCB vehicles equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.

  Risk: A fire increases the risk of injury. An engine stall can increase the risk of crash.

  Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.

• Recall 18V902000Dec 19, 2018475 vehicles
  SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP

  Navistar, Inc. (Navistar) is recalling certain 2019-2020 IC Bus CE school buses equipped with hydraulic brakes. The brake pressure switch on these buses may become stuck possibly resulting in a false fault code and brake warning light on the instrument cluster.

  Risk: A false code or a brake warning light may lead a driver to immediately pull over to transfer passengers to another bus, which can increase the risk of injury. Additionally, if the driver is aware that the warning is false, they may continue to use the bus, and in the event of an actual brake system problem, the driver will not be warned, increasing the risk of a crash.

  Remedy: Navistar has notified owners, and dealers will inspect and replace any switch found from the suspect lot, free of charge. The recall began January 30, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18520.

• Recall 18V821000Nov 20, 2018187 vehicles
  SERVICE BRAKES, AIR

  Navistar, Inc. (Navistar) is recalling certain 2019-2020 IC Bus CE school buses equipped with feature code 04AZS (4-channel Antilock Brakes, 4-channel Electronic Stability and Automatic Traction Control. The brake air line tube to the left brake modulator valve may have been improperly routed, possibly resulting in the line kinking, causing the vehicle to vehicle to pull to the right when braking or preventing the anti-lock brakes from functioning properly.

  Risk: A vehicle pulling to the right during braking or improper ABS function can increase the risk of a crash.

  Remedy: Navistar will notify owners, and dealers will reroute the air line tube and replace any kinked tube, free of charge. The recall began December 20, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18517.

Recent 2020 IC Bus Cesb complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

1. Filed Apr 10, 2026NJBody & Structure

   1. Component: Bus 15 - Right front outrigger. Yes it is available for inspection 2. Safety: Outrigger cracked creating insufficient support of the school bus body 3. We were told it was not covered under warranty and no recalls have been generated and therefore paid for the first repair through Wolfington Body Co. Inc. Their repair did not hold and it came apart and on 8/7/2024 it was repaired a second time, no charge. It came apart again and on 1/30/2025 it was repaired a…

   NHTSA complaint #11730308 · source

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology