2022 NOVA BUS LFS

ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 Nova Bus LFS transit buses. The high voltage batteries may have loose hardware that can fall inside the battery pack and create a short circuit.

Risk: A short circuit increases the risk of a fire.

EXTERIOR LIGHTING:TURN SIGNAL

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS buses. A digital display firmware error may cause the instrument panel indicator lights to remain solidly illuminated even when the turn signal are off. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: A faulty indictor light, that cannot provide the driver with information about the status of the turn signals, increases the risk of a crash.

STEERING:ELECTRIC POWER ASSIST SYSTEM

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2020-2023 LFS transit buses. The electric power steering system may be missing a check valve, allowing hydraulic pressure to turn the steering wheel without the driver's input.

Risk: A steering wheel that turns unintentionally increases the risk of a crash or injury.

ELECTRICAL SYSTEM:WIRING

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS transit buses. The engine wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power.

Risk: A loss of drive power can increase the risk of a crash.

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT

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.

PARKING BRAKE:CONVENTIONAL:AIR

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.

ELECTRICAL SYSTEM

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS buses. The ground connection on the bus bar in the HVAC roof unit may not be secured properly, which can result in an unexpected engine shutdown or an overheated ground connection.

Risk: An unexpected engine shutdown increases the risk of a crash. An overheated ground connection can increase the risk of a fire.

SEAT BELTS:FRONT

Nova Bus (US) Inc. (Nova) is recalling certain 2010-2020 LFS Artic and 2012-2024 LFS vehicles. The driver's seat belt may not retract properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 209, "Seat Belt Assemblies."

Risk: A seat belt that does not retract properly may result in a loose seat belt, which can increase the risk of injury in a crash.

VISIBILITY:GLASS, SIDE/REAR

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2019-2023 LFS and 2019-2020 LFS Arctic buses. The glazing used on the glass windows may reduce the driver's visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 205, "Glazing Materials."

Risk: Reduced visibility while driving can increase the risk of a crash.

VISIBILITY:WINDSHIELD WIPER/WASHER

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS buses. The windshield wiper arms may be incorrectly aligned, which can cause the wiper blades to collide.

Risk: Damaged wiper blades can reduce visibility in certain weather conditions, increasing the risk of a crash.

ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS

Nova Bus (US) Inc. (Nova) is recalling certain 2022-2023 LFS vehicles. Missing electrical components may prevent the battery disconnect switch from functioning.

Risk: An inoperative battery disconnect switch increases the risk of electrical shock and injury during maintenance and repairs.

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

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.

ELECTRICAL SYSTEM:SOFTWARE

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS buses. A software error may cause the Vehicle Control Unit (VCU) to crash, disconnecting the high voltage batteries and causing a loss of drive power.

Risk: A loss of drive power increases the risk of a crash.

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2020-2024 LFS vehicles. The engine coolant return hose may fail, leaking coolant and causing an engine shutdown.

Risk: An unexpected engine shutdown can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.

EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:CRITICAL FASTENERS

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2024 LFS buses. The wheelchair securement system may have been installed with the attachment points in the incorrect locations.

Risk: Incorrectly located attachment points may prevent the securement system from adequately restraining the occupant, increasing the risk of injury during a crash.

FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Nova Bus (US) Inc. (Nova) is recalling certain 2022-2023 LFS vehicles. Insufficient crimping may allow the secondary fuel filter hoses to disconnect and leak.

Risk: A fuel leak in the presence of an ignition source increases the risk of a fire. Additionally, a lack of fuel can cause an engine stall, increasing the risk of a crash.

ENGINE AND ENGINE COOLING:COOLING SYSTEM

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2023 LFS Artic and 2022-2024 LFS buses. The coolant sensor could send a false signal, causing the engine to shut down.

Risk: An unexpected engine shut down can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.

EQUIPMENT:APPLIANCE:AIR CONDITIONER

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.

ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS battery electric transit buses. The coolant line in the high voltage battery pack may not be fully seated and locked, which can result in the loss of coolant and an electrical short circuit.

Risk: A battery short circuit may increase the risk of a fire.

STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

Nova Bus (US) Inc. (Nova) is recalling certain 2022-2023 LFS transit buses. During the hose manufacturing, the power steering hose may not have been assembled correctly, which can result in hose fitting detachment and a loss of power steering assist.

Risk: Sudden loss of power steering assist can increase the risk of a crash.

ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

Nova Bus (US) Inc. (Nova) is recalling certain 2022-2023 LFS battery electric transit buses. The rivnut threaded inserts inside the high-voltage battery may be over-tightened and break, which could result in a short circuit.

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

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

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.

SEAT BELTS:FRONT

Nova Bus (US) Inc. (Nova) is recalling certain 2012-2022 LFS vehicles. The driver's seat belt may not retract properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 209, "Seat Belt Assemblies."

Risk: A seat belt that does not retract properly may result in a loose seat belt, which can increase the risk of injury in a crash.

POWER TRAIN:DRIVELINE:DRIVESHAFT

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.

EXTERIOR LIGHTING:TAIL LIGHTS

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022 LFS vehicles. The taillights may fail to illuminate when the headlights are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: Taillights that fail to illuminate may reduce the visibility of the vehicle to other drivers, increasing the risk of a crash.

STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

Nova Bus (US) Inc. (Nova) is recalling certain 2022 LFS transit buses. During assembly, the power steering hose may not have been assembled correctly, which can result in hose detachment and a loss of power steering assist.

Risk: Sudden loss of power steering assist can increase the risk of a crash.

EXTERIOR LIGHTING:TURN SIGNAL

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2021-2023 LFS transit buses equipped with a directional foot switch. The turn signals may intermittently become inoperative.

Risk: Inoperative turn signals may not notify other drivers of a turning vehicle, increasing the risk of a crash.