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This is a historical safety record. The campaign may no longer be active.

NHTSA : 21V538000

Campaign Details

Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

Defect Description

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 / Hazard

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

Proposed Solution

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.

🚗 Affected Vehicles2

All the models below were recalled for this exact same problem.