01 / OFFICIAL CAMPAIGNS
2021 Gillig Low Floor recall campaigns
NHTSA 26V142000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- March 12, 2026
- Potential units
- 3,568campaign-wide
Defect and consequence
Defect: Gillig, LLC (Gillig) is recalling certain 2021-2026 Low Floor transit buses. The air compressor intake pipe may contact and damage the fuel line.
Why it matters: A damaged fuel line may leak, increasing the risk of a fire.
Remedy
Gillig will inspect, replace, and reorient the intake pipe as necessary, free of charge. Owner notification letters were mailed April 24, 2026. Owners may contact Gillig's customer service at 1-800-735-1500.
Owner notification: April 24, 2026 · Filing manufacturer: Gillig, LLC
NHTSA 25V076000
- Component
- EQUIPMENT
- Report received
- February 11, 2025
- Potential units
- 91campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: March 18, 2025 · Filing manufacturer: Gillig, LLC
NHTSA 24V958000
- Component
- ELECTRICAL SYSTEM, EQUIPMENT
- Report received
- December 20, 2024
- Potential units
- 201campaign-wide
Defect and consequence
Defect: Gillig, LLC (Gillig) is recalling certain 2021-2024 Low Floor style transit buses. The fire suppression relay cable may be damaged, chafing against the mounting bolt, and fail.
Why it matters: Failure of the fire suppression system can increase the risk of injury during a fire.
Remedy
Dealers will replace the relay cable, free of charge. Owner notification letters were mailed December 31, 2024. Owners may contact GILLIG customer service at 1-800-735-1500.
Owner notification: December 31, 2024 · Filing manufacturer: Gillig, LLC
NHTSA 23V812000
- Component
- ELECTRICAL SYSTEM, VISIBILITY
- Report received
- December 4, 2023
- Potential units
- 3,626campaign-wide
Defect and consequence
Defect: Gillig, LLC (Gillig) is recalling certain 2021-2023 Low Floor vehicles. The rearview mirror electric adjustment system may have been manufactured with an incorrect fuse.
Why it matters: An incorrect fuse may overheat and increase the risk of a fire.
Remedy
Gillig will replace the protection fuse of the mirror control switch, free of charge. Owner notification letters were mailed January 15, 2024. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.
Owner notification: January 24, 2024 · Filing manufacturer: Gillig, LLC
NHTSA 23V740000
- Component
- POWER TRAIN
- Report received
- November 3, 2023
- Potential units
- 4,286campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: December 11, 2023 · Filing manufacturer: Gillig, LLC
NHTSA 22V548000
- Component
- ELECTRICAL SYSTEM
- Report received
- July 28, 2022
- Potential units
- 184campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: August 16, 2022 · Filing manufacturer: Gillig, LLC
NHTSA 22V436000
- Component
- ELECTRICAL SYSTEM
- Report received
- June 17, 2022
- Potential units
- 169campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: August 3, 2022 · Filing manufacturer: Gillig, LLC
NHTSA 22V276000
- Component
- ELECTRICAL SYSTEM
- Report received
- April 25, 2022
- Potential units
- 592campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: June 22, 2022 · Filing manufacturer: Gillig, LLC
NHTSA 21V563000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- July 23, 2021
- Potential units
- 148campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: October 15, 2021 · Filing manufacturer: Gillig, LLC
NHTSA 21V538000
- Component
- ENGINE AND ENGINE COOLING
- Report received
- July 15, 2021
- Potential units
- 78campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: October 14, 2021 · Filing manufacturer: Gillig, LLC
NHTSA 21V487000
- Component
- SUSPENSION
- Report received
- June 28, 2021
- Potential units
- 86campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: July 19, 2021 · Filing manufacturer: Gillig, LLC
NHTSA 21V291000
- Component
- STRUCTURE
- Report received
- April 23, 2021
- Potential units
- 229campaign-wide
Defect and consequence
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.
Why it matters: 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.
Owner notification: May 14, 2021 · Filing manufacturer: Gillig, LLC
02 / COMPONENT BREADTH