Exhaust system: manifold/header/muffler/tail pipeRecall 21V-538 · 2020–2021 Gillig LOW Floor
Gillig, LLC recall 21V-538 covers 78 2020–2021 Gillig LOW Floor for a exhaust system: manifold/header/muffler/tail pipe problem, reported to NHTSA on July 15, 2021. The manufacturer's latest report (2023 Q3) shows 100% of affected vehicles repaired.
Source: NHTSA recall 21V538000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The risk
Exposure to high levels of ammonia can increase the risk of injury.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
100%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.