VehicleVerdict

2020 Gillig Low Floor problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 2020 Gillig Low Floor — too few to judge reliability from owner reports alone — but 14 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

0

NHTSA complaints

14

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

NCAP overall

How does 2020 compare to other Low Floor years?

See all Low Floor years to avoid →

Does the 2020 Gillig Low Floor have recalls?

14 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

25V076000OtherFebruary 11, 2025 · 91 units

Defect

Gillig, LLC (Gillig) is recalling certain 2019-2024 Low Floor transit buses. The rivet-nut fasteners that secure the TFT flat panel display monitor to the bus ceiling may fail, causing the monitor to detach and fall.

Consequence

A monitor that detaches and falls from the ceiling increases the risk of injury.

Remedy

Gillig will replace the rivet-nut fasteners, free of charge. Owner notification letters were mailed March 18, 2025. Owners may contact Gillig customer service at 1-800-735-1500.

23V740000TransmissionNovember 3, 2023 · 4,286 units

Defect

Gillig, LLC (Gillig) is recalling certain 2019-2023 Low Floor transit buses. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.

Consequence

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

Gillig will work with the equipment manufacturer, Allison Transmission Inc., to inspect and tighten the transmission yoke bolts, as necessary, free of charge. Owner notification letters were mailed December 11, 2023. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

22V548000Electrical SystemJuly 28, 2022 · 184 units

Defect

Gillig, LLC (Gillig) is recalling certain 2019-2022 Low Floor vehicles equipped with Cummins BP74E battery packs. The battery packs may develop a coolant leak internally, causing the battery pack to short circuit.

Consequence

A battery short circuit increases the risk of a fire.

Remedy

Gillig will tighten the coolant fittings and replace the coolant, free of charge. Owner notification were mailed on August 16, 2022. Owners may contact Gillig's customer service at 1-510-264-5073 or 1-800-735-1500.

22V436000Electrical SystemJune 17, 2022 · 169 units

Defect

Gillig, LLC (Gillig) is recalling certain 2019-2022 Low Floor electric transit buses. The EV resolver cable connector may experience a loss of electrical connectivity, unexpectedly switching from Drive to Neutral with no warning.

Consequence

An unexpected switch to neutral can cause a loss of vehicle propulsion and increase the risk of a crash.

Remedy

Dealers will install a redesigned resolver cable with extended length and a new support bracket, free of charge. Owner notification letters were mailed on August 3, 2022. Owners may contact Gillig's customer service at 1-510-264-5073 or 1-800-735-1500.

22V276000Electrical SystemApril 25, 2022 · 592 units

Defect

Gillig, LLC (Gillig) is recalling certain 2014-2021 Low Floor transit buses. The rear-mounted ultracapacitors may allow the engine to be started when the master battery disconnect switch is in the "OFF" position.

Consequence

The engine may be started unexpectedly, increasing the risk of injury to anyone nearby the engine compartment during maintenance operations.

Remedy

Dealers will update the software for the buses equipped with the Vanner Ultracapacitor system, and conduct a hard rewire for the buses equipped with the KBI system, free of charge. Owner notification letters were mailed on June 22, 2022. Owners may contact Gillig's customer service at 1-510-264-5073 for 1-800-735-1500.

21V563000Fuel SystemJuly 23, 2021 · 148 units

Defect

Gillig, LLC (Gillig) is recalling certain 2020-2021 Low Floor vehicles equipped with Cummins L9 Diesel Engines that have remote Stage 2 fuel filters and pressurized hoses. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Cummins will replace the fuel hoses, free of charge. Owners may contact Gillig's customer service at 1-510-264-5073 or 1-800-735-1500.

21V538000EngineJuly 15, 2021 · 78 units

Defect

Gillig, LLC (Gillig) is recalling certain 2020-2021 Low Floor vehicles equipped with Cummins L9 Diesel Engines. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia into the tailpipe exhaust.

Consequence

Exposure to high levels of ammonia can increase the risk of injury.

Remedy

Cummins will recalibrate the engine, free of charge. Owners may contact Gillig's customer service at 1-510-264-5073 or 1-800-735-1500.

21V487000SuspensionJune 28, 2021 · 86 units

Defect

Gillig, LLC (Gillig) is recalling certain 2020-2021 Low Floor Diesel, CNG, and Battery Electric buses. The rear axle may come out of alignment during operation.

Consequence

An improperly aligned rear axle may cause a loss of vehicle control, increasing the risk of a crash.

Remedy

Gillig will install a new locknut, free of charge. Owner notification letters were mailed on July 19, 2021. Owners may contact Gillig's customer service at 1-510-264-5073 or 1-800-735-1500.

21V352000Fuel SystemMay 14, 2021 · 4,428 units

Defect

Gillig, LLC. (Gillig) is recalling certain 2017-2020 Low Floor vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Gillig will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on August 27, 2021. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

21V291000Body & StructureApril 23, 2021 · 229 units

Defect

Gillig, LLC (Gillig) is recalling certain 2020-2021 29, 35, 40-foot Low Floor and BRT buses powered by Compressed Natural Gas (CNG). The overlap between the curb side and street side roof doors is insufficient and may allow the street side door to accidentally open.

Consequence

An open door may strike another vehicle or structure, increasing the risk of a crash.

Remedy

Dealers will install a new locking plate, overlap bracket, and mounting hardware, free of charge. Owner notification letters were mailed on May 14, 2021. Owner may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

20V392000SteeringJuly 2, 2020 · 531 units

Defect

Gillig, LLC. (Gillig) is recalling certain 2013-2020 hybrid and all-electric Low Floor buses equipped with a steering system that uses a high-voltage electric motor and hydraulic pump assembly to provide power steering assist. The shaft coupling between the motor and pump may fail and cause a loss of hydraulic power steering assist.

Consequence

A loss of power steering assist may increase the risk of crash.

Remedy

Gillig will notify owners, and dealers will replace the motor-pump assemblies, free of charge. The recall began August 13, 2020. Owners may contact Gillig customer service at 1-800-735-1500.

20V342000SuspensionJune 10, 2020 · 3,728 units

Defect

Gillig LLC (Gillig) is recalling certain 2018-2020 Low Floor buses. The rear suspension lower control rods may experience fatigue failure due to stiffened end bushings.

Consequence

If the rear suspension lower control rod fails, the bus may have reduced handling and stability, increasing the risk of a crash.

Remedy

Gillig will notify owners and provide them with new lower control rods with different bushings, free of charge. This recall began June 26, 2020. Owners may contact Gillig customer service at 1-800-735-1500.

20V239000Fuel SystemApril 29, 2020 · 275 units

Defect

Gillig LLC (Gillig) is recalling certain 2018-2020 Low Floor transit buses powered by compressed natural gas (CNG). The thermally activated pressure relief device (PRD) installed on the CNG fuel system may not vent the system when exposed to heat, potentially resulting in the system rupturing.

Consequence

If the fuel system ruptures from exposure to heat, there may be an increased risk of injury.

Remedy

Gillig will work with Agility to notify customers and replace the PRDs, free of charge. The recall began May 15, 2020. Owners may contact Agility customer service at 1-949-267-7745 or Gillig customer service at 1-800-735-1500.

20V179000Electrical SystemMarch 25, 2020 · 8,224 units

Defect

Gillig LLC (Gillig) is recalling certain 2012-2020 Low Floor buses. The circuit breaker ratings on the DEF Line Heater circuit and the Aftertreatment-Ignition circuit may be higher than the rating for the wire and connector.

Consequence

With the improper circuit breaker rating, an electrical short in either of these circuits may increase the risk of a fire.

Remedy

Gillig will notify owners, and dealers will replace the circuit breakers, free of charge. The recall began April 24, 2020. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

2020 Gillig Low Floor — common questions

Is the 2020 Gillig Low Floor reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 14 recalls should be verified as completed.

Does the 2020 Gillig Low Floor have recalls?

Yes — NHTSA lists 14 recall campaigns affecting the 2020 Gillig Low Floor. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.