2021 Nova BUS LFS Artic recalls

• Powertrain#2026220April 30, 2026

  63 units affected

  Issue: On certain transit buses, a problem could cause the control unit to shut down. If this happens, there could be a sudden loss of power to the wheels. Safety Risk: A loss of power to the wheels could increase the risk of a crash. A bus that is disabled could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to correct the connections to the control unit.

• Seats And Restraints#2026137March 24, 2026

  528 units affected

  Issue: On certain transit buses, the driver's seat belt tension-relieving device may not have been installed properly. As a result, the seat belt may not work properly in a crash, and the buses may not meet certain requirements of Canadian regulations. Safety Risk: A seat belt that doesn't work properly could increase the risk of injury in a crash. Corrective Actions: To reduce the safety risk, Nova Bus recommends not to use the seat belt tension-relieving device until the recall repairs have been completed. Nova Bus will notify owners by mail and provide you with instructions for how to remove the seat belt tension-relieving device.

• Structure#2026006January 13, 2026

  323 units affected

  Issue: On certain transit buses, the emergency exit window latch could fail. As a result, the emergency exit window could open during a crash or be difficult to open in an emergency. Safety Risk: An emergency exit window that opens in a crash could increase the risk of injury. An emergency exit that's difficult to open could slow your exit from the bus in an emergency and increase the risk of injury. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to repair the emergency exit window latch.

• Steering#2025384July 22, 2025

  630 units affected

  Issue: Under certain conditions, the electric power steering motor could shut down. As a result, pressure from the power steering pump could return and cause the steering wheel to move suddenly. Note: This recall only affects buses equipped with an electric power steering system. Safety Risk: A steering wheel that moves suddenly could increase the risk of injury. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to install a check valve at the power steering pump inlet.

• Lights And Instruments#2025304June 3, 2025

  182 units affected

  Issue: On certain transit buses, a software problem could cause a turn signal indicator light to stay on instead of flashing when a turn signal is used. As a result, the buses may not meet certain requirements of Canadian regulations. Safety Risk: A turn signal indicator that doesn't work properly could create confusion and increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to inspect and, if necessary, update the digital display software.

• Electrical#2025176April 7, 2025

  159 units affected

  Issue: On certain transit buses, a wiring harness may be too short and could disconnect. Additionally, this problem could allow water to leak into the connector for the wiring harness and cause it to corrode. As a result, both issues could cause a loss of power to the wheels. Safety Risk: A loss of power to the wheels could increase the risk of a crash Corrective Actions: Nova Bus will notify owners by mail and provide you with a wire extension kit and instructions for how to install it.

• Engine#2024647October 29, 2024

  36 units affected

  Issue: On certain transit buses, the engine heat exchanger hose may not have been manufactured properly. As a result, coolant could leak and cause a loss of power to the wheels. Safety Risk: A loss of power to the wheels could increase the risk of a crash. A bus that is disabled could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to replace the heat exchanger hose.

• High Voltage#2024572September 30, 2024

  67 units affected

  Issue: On certain transit buses, a software problem could cause the vehicle control unit to fail. As a result, the high-voltage system could disconnect and cause a loss of power to the wheels. Safety Risk: A sudden loss of power to the wheels could increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to update the vehicle control unit software.

• Heater And Defroster#2024506September 9, 2024

  623 units affected

  Issue: On certain transit buses, dirt and moisture could enter the air intake and cause the controller for the auxiliary heater to short circuit. If this happens, the windshield defrost system may not work properly. Safety Risk: A short circuit can create a fire risk. A windshield defroster that doesn't work could cause reduced visibility and increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to repair the auxiliary heater air intake.

• Seats And Restraints#2024499September 3, 2024

  589 units affected

  Issue: On certain transit buses, the recall repairs completed during Transport Canada recall no. 2023-291 may not be effective. As a result, a second repair is required. On certain transit buses, the driver's seat back panel could interfere with the driver's seat belt. As a result, the driver's seat belt may not retract properly. Note: This recall is an expansion of Transport Canada recall no. 2023-291 and only affects certain buses equipped with a Recaro driver's seat. Safety Risk: A loose seat belt could increase the risk of injury in a crash. Corrective Actions: Nova Bus will notify owners by mail. The corrective actions for this recall are under development. Nova Bus advises that if the seat belt is loose after it's buckled, the driver should readjust the seat to eliminate any interference with the seat belt.

• Brakes#2024426July 25, 2024

  459 units affected

  Issue: This recall is for brake chambers installed on certain transit buses or sold as a replacement part. On certain transit buses, the brake chamber(s) on the rear axle may be defective. As a result, air could leak from the chamber and cause the parking brake to apply suddenly while driving without the brake lights turning on. If this happens, the brakes could overheat. Safety Risk: A parking brake that self-applies suddenly while driving without the brake lights turning on could cause a person not to recognize that the vehicle is braking. This could increase the risk of a crash. Additionally, overheated brakes could create the risk of a fire. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to inspect and, if necessary, replace the brake chamber(s).

• Visual System#2024396July 8, 2024

  1,207 units affected

  Issue: On certain transit buses, the windshield wipers may not have been aligned properly and could cause the wiper blades to become damaged. If this happens, the windshield wipers may not work properly. Safety Risk: Windshield wipers that don't work properly could reduce visibility and increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to realign the windshield wipers.

• Structure#2024349June 17, 2024

  293 units affected

  Issue: On certain transit buses, the rotary plate for the front door may not have been welded properly. As a result, the plate could disconnect from the mechanism and cause the door to open while the bus is moving. Safety Risk: A door that opens while the bus is moving could create a risk of injury. Corrective Actions: Nova Bus will notify owners by mail. The corrective actions for this recall are under development.

• Lights And Instruments#2024066February 4, 2024

  522 units affected

  Issue: On certain transit buses, a software problem could cause various lamps to flash instead of staying on constantly. As a result, the bus may not meet certain requirement of Canadian regulations. Safety Risk: Flashing lamps could distract or confuse other road users and increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with instructions for how to update the vehicle software.

• Lights And Instruments#2023610November 14, 2023

  144 units affected

  Issue: On certain buses, a wiring problem with the floor-mounted turn signal switch may cause the turn signals not to work. Safety Risk: Turn signals that don't work may cause a person not to recognize when a driver intends to turn or change lanes and could increase the risk of a crash. Corrective Action: Nova Bus will notify owners by mail and provide you with directions for how to inspect and repair the floor-mounted turn signal switch wiring and splice blocks.

• High Voltage#2023425August 2, 2023

  7 units affected

  Issue: On a small number of LFS electric buses, the fasteners that connect the high-voltage batteries to the bus bar may have been over-tightened. As a result, the fasteners could break and cause a short circuit. Safety Risk: A short circuit in the high-voltage battery could create a fire risk. Corrective Actions: Nova Bus will notify owners by mail and provide you with directions for how to inspect and replace the high-voltage batteries, as necessary.

• Powertrain#2023387July 12, 2023

  329 units affected

  Issue: On certain transit buses, the transmission yoke could separate from the transmission. If this happens, there could be a sudden loss of power to the wheels. Safety Risks: A sudden loss of power to the wheels could increase the risk of a crash. Additionally, a bus that is disabled could create the need for a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Corrective Actions: Nova Bus will notify owners by mail. For certain buses, Nova Bus will advise you to contact an authorized Allison Transmission service center to tighten the output shaft yoke bolt. For the other buses, Nova Bus will provide you with instructions for how to tighten the output shaft yoke bolt.

• Electrical#2023348June 14, 2023

  713 units affected

  Issue: Under certain conditions, road debris could build up on the fuse holder for the electric cooling fans. If this happens, the fuse holder could short circuit and overheat. Safety Risk: An overheated fuse holder could create the risk of a fire. Corrective Actions: Nova Bus will notify owners by mail. The corrective actions for this recall are under development. Nova Bus recommends an inspection for debris accumulation in the fuse holder area and cleaning as required. Also, Nova Bus recommends that you should inspect the fuse holder for heat damage (melting) before driving and to shut off the manual power disconnect switch when the vehicle is parked.

• Seats And Restraints#2023291May 17, 2023

  521 units affected

  Issue: On certain transit buses, the driver's seat back panel could interfere with the driver's seat belt. As a result, the driver's seat belt may not retract properly. Safety Risk: A loose seat belt could increase the risk of injury in a crash. Corrective Actions: Nova Bus will notify owners by mail and provide you with directions for correcting this issue. This may include limiting the recline angle of the of the seat back or adding a spacer on the driver's rear partition. Nova Bus advises that if the seat belt is loose after it's buckled, the driver should readjust the seat to eliminate any interference with the seat belt.

• Visual System#2023271May 5, 2023

  3,229 units affected

  Issue: On certain buses, the convex passenger-side exterior rearview mirror may not be curved enough. If fitted with a convex passenger-side mirror, Canadian regulations require a minimum and maximum curvature radius of the mirror surface. Safety Risk: This small error does not affect safety, as the visibility out of the vehicle is not limited by the non-compliant mirror assembly. Corrective Actions: This is not a recall. Nova Bus has made production changes to ensure that all new buses have compliant convex passenger-side rear-view mirrors.

• Steering#2022649November 15, 2022

  68 units affected

  Issue: On certain buses, the fasteners securing the steering gearbox mounting plate may loosen and possibly fall out. If this happens, the steering gearbox could move and cause a loss of steering control. Safety Risk: A loss of steering control could increase the risk of a crash. Corrective Actions: Nova Bus advises not to drive affected buses until a corrective measure is performed. Nova Bus will notify owners by mail and provide new steering gearbox mounting plate fasteners and instructions for how to replace them.

• Electrical#2022310June 13, 2022

  464 units affected

  Issue: On certain transit buses, the electric fuse holder for the radiator fans in the engine compartment could corrode and overheat. Safety Risk: An overheated fuse holder could create the risk of a fire. Corrective Actions: Nova Bus will notify owners in writing and provide them with directions for cleaning the fuse holder and applying an anti-corrosion coating.

• Lights And Instruments#2022248May 11, 2022

  406 units affected

  Issue: On certain buses, a message board on the rear of the bus displays momentary text when the stop lamps or turn signals are used. These momentary text messages could cause confusion for other road users. Safety Risk: Text messages about the stop lamps and turn signals that are displayed on the rear of the bus could cause confusion for others and increase the risk of a crash. Corrective Actions: Nova Bus will notify owners in writing and provide them with directions for removing the rear message board.

• Steering#2021568August 31, 2021

  332 units affected

  Issue: On certain buses, the power steering pipes from the rear engine bay to the front gear box may separate at the connection joint. If this happens, power steering fluid could spill from the ceiling inside the passenger compartment of the bus and there could be a loss of power steering assist. Note: This recall is an expansion of recall 2021-057. Safety Risk: A loss of power steering assist would result in a sudden increase in steering effort, especially at low vehicle speeds. This could increase the risk of a crash. Additionally, a power steering fluid spill inside the bus could create a risk of injury. Corrective Actions: Nova Bus will notify owners in writing and provide them with directions for inspecting and replacing the power steering pipes.

• Engine#2021458July 27, 2021

  56 units affected

  Issue: On certain buses, a programming problem could cause excess diesel exhaust fluid (DEF) to be injected into the exhaust after-treatment system. As a result, there could be a higher than normal amount of ammonia in the exhaust emissions. Note: This recall only affects buses equipped with a Cummins 2021 model year L9 diesel engine. Safety Risk: Exposure to elevated levels of ammonia could create a risk of injury. Corrective Actions: Nova Bus will notify owners by mail and instruct you to take your bus to a Cummins authorized service center to update the software for the engine control module. To reduce the safety risk, Nova Bus and Cummins recommend that you should avoid running the engine in a confined space, such as a service bay, without the use of an exhaust extraction system.

• Lights And Instruments#2021128March 9, 2021

  929 units affected

  Issue: On certain transit buses, the stop lamps and tail lamps are located too high above the ground. Canadian regulations provide a maximum mounting height for the stop lamps and tail lamps. Safety Risk: Stop lamps and tail lamps that are mounted too high may cause reduced visibility, which could increase the risk of a crash. Corrective Actions: Nova Bus will notify owners by mail and provide them with directions for changing the mounting position of the stop and tail lamps.

Canadian data updated August 24, 2026

• SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH#26V355000June 2, 2026

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 1997-2002, 2005-2024 LFS, 2009-2014, and 2016 - 2024 LFS Artic transit buses. The low brake air pressure warning light may fail to illuminate when the engine is off. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

  Risk: A low brake air pressure warning light that fails to illuminate when the engine is off will not alert the driver to a low brake pressure condition, increasing the risk of a crash if the parking brake is disengaged before starting the engine.

  Remedy: Nova Bus will update the firmware, free of charge. Interim owner notification letters explaining the safety risk were mailed by July 17, 2026. Owners will receive another notice once remedy becomes available. Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus' number for this recall is CR5918. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 2, 2026.

• VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT#24V657000September 9, 2024

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 2019-2024 LFS and 2019-2023 LFS Artic buses. The auxiliary heater module may allow contaminants to enter the electronic controller, which can cause an electrical short. Additionally, the auxiliary heater may fail, causing the defrosting system to not function properly.

  Risk: An electrical short circuit can increase the risk of a fire. Additionally, a windshield defrosting system that does not function properly can decrease the driver's visibility, increasing the risk of a crash.

  Remedy: Nova Bus will the auxiliary heater air intake, free of charge. Owner notification letters were mailed January 28, 2025. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5637.

• PARKING BRAKE:CONVENTIONAL:AIR#24V518000July 8, 2024

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 2021-2024 LFS and 2021-2023 LFS Artic buses. An air leak may occur in the parking brake valve and unintentionally engage the parking brake without activating the brake lights.

  Risk: A bus that stops suddenly without activating brake lights increases the risk of a crash.

  Remedy: Nova Bus will inspect and tighten the parking brake air line connections, free of charge. Owner notification letters were mailed July 24, 2024. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5615.

• ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR#24V203000March 17, 2024

  Nova Bus (US) Inc. (Nova) is recalling certain 2021-2022 LFS Artic and 2021-2023 LFS buses. The alternator power cable nut may not have been tightened properly.

  Risk: A loose nut can cause electrical arcing, increasing the risk of a fire.

  Remedy: Nova will inspect and tighten the power cable nut as necessary, free of charge. Owner notification letters were mailed April 10, 2024. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR5570.

• EQUIPMENT:APPLIANCE:AIR CONDITIONER#23V763000November 11, 2023

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 2020-2023 LFS and LFS Artic transit buses. The brackets retaining the Mobile Climate Control HVAC Unit could fail and allow the unit to detach from the bus.

  Risk: An HVAC unit that detaches from a bus can create a road hazard, increasing the risk of a crash.

  Remedy: Nova Bus will inspect the existing brackets and install additional brackets, as necessary, free of charge. Owner notification letters were mailed December 20, 2023. Owners may contact Nova Bus customer service at 1-800-350-6882. Nova Bus's number for this recall is CR5508.

• ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS#23V607000August 31, 2023

  Nova Bus (US) Inc. (Nova) is recalling certain 2017-2023 LFS and 2017-2022 LFS Artic transit buses. The 24-volt power cable and grounded mounting fastener that secures the fuse holder may short circuit.

  Risk: An electrical short circuit can overheat the fuse holder and increase the risk of a fire while driving or parked.

  Remedy: Nova will insect, remove, and clean the fuse holder and cable lugs as necessary, free of charge. Owner letters were mailed November 7, 2023. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR5445. This recall replaces and expands recall number 22V-416. Vehicles previously repaired under recall 22V-416 will need to have the new remedy completed.

• POWER TRAIN:DRIVELINE:DRIVESHAFT#23V482000July 12, 2023

  Nova Bus (US) Inc. (Nova) is recalling certain 2019-2023 LFS and LFS Artic transit buses. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.

  Risk: A sudden loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

  Remedy: Dealers will inspect the output yoke bolts, and if necessary, tighten loose output yoke bolts, free of charge. Phase 1 will include 2019-2023 LFS vehicles. Nova notified dealers on 10/03/2024 and notified Phase 1 owners on 10/27/2024. Phase 2 will include 2019-2020 LFS Artic vehicles. Interim letters informing owners of the safety risk were mailed on October 27, 2023. A second notice will be mailed to Phase 2 owners once the remedy is available, expected in January 2025. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR5442.

• STEERING:CRITICAL FASTENERS#22V845000November 15, 2022

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 2018-2022 LFS and 2018-2021 LFS Artic buses equipped with a Bosch steering gear box. The steering gear box may have an insufficient clamp load, which may allow the mounting plate sub-assembly fasteners to loosen and possibly fall out.

  Risk: Missing fasteners may cause a of a loss of steering, increasing the risk of a crash.

  Remedy: Owners are advised not to drive their vehicles until the remedy has been completed. Nova Bus will inspect and tighten the fasteners as an interim remedy. The permanent remedy, consisting of replacing and tightening new fasteners to increase the clamp load, is expected to be available November 30, 2022, free of charge. Owner notification letters were mailed November 16, 2022. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5342.

• ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN#22V416000June 13, 2022

  Nova Bus (US) Inc. (Nova Bus) is recalling certain 2019-2021 LFS and 2019-2022 LFS Artic buses. The radiator fan's electrical fuse holder may experience excessive corrosion which can result in an electrical short.

  Risk: An electrical short increases the risk of a fire.

  Remedy: Nova Bus will provide the remedy parts and service document instructions, free of charge. Owner notification letters were mailed on June 29, 2022. Owners may contact Nova Bus' customer service at 1-800-350-6682. Nova Bus' number for this recall is CR5259.

• EXTERIOR LIGHTING#22V323000May 11, 2022

  Nova Bus (US) Inc. (Nova) is recalling certain 2016-2020 LFS and 2013-2022 LFS Artic buses. The momentary STOP and YIELD text message board is duplicating the stop light and turn signal light signals. As such, these vehicles fail to comply with the requirements of the Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

  Risk: The momentary text message board duplicating light signals may cause confusion, increasing the risk of a crash.

  Remedy: Nova will coordinate with Prevost Service Centers to remove the momentary text message board duplicating light signals and associated equipment, free of charge. Owner notification letters were mailed on June 27, 2022. Owners may contact Nova's customer service at 1-800-350-6682. Nova's number for this recall is CR5267/68/69.

• STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS#20V568000September 21, 2020

  Nova Bus (Nova) is recalling certain 2020 Nova Bus LFS transit buses. Certain power steering pipes from the rear engine bay to the front gear box may separate at the connection joint. This may cause a power steering assist lost and power steering fluid may leak from the ceiling into the passenger compartment.

  Risk: A loss of power steering assist may increase the risk of a crash. A power steering fluid leak into the passenger cabin may increase the risk of a passenger injury.

  Remedy: Nova Bus will notify owners, provide instructions for inspecting and replacing the power steering pipes, free of charge. The recall began October 7, 2020. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR4963.