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RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2021 Gillig Low Floor recalls

NHTSA's September 21, 2026 snapshot lists 12 safety recall campaigns for the 2021 Gillig Low Floor, spanning 8 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns12not VIN-specific
Component groups8distinct top-level categories
Latest recordMarch 12, 2026report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2021 Gillig Low Floor recall campaigns

The 2021 Gillig Low Floor report contains 12 distinct NHTSA campaigns; the most recently received record is campaign 26V142000 dated March 12, 2026.
CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

CAMPAIGN

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

What defects are listed for the 2021 Gillig Low Floor?

The most frequent component groups in 2021 Gillig Low Floor campaign records are Electrical System (5), Fuel System, Diesel (2), Equipment (2), Structure (1), Suspension (1); these counts describe filed campaigns rather than observed failure rates.
Electrical System5
Fuel System, Diesel2
Equipment2
Structure1
Suspension1