Recall 21E060000: Engine And Engine Cooling, Exhaust System, Manifold/header/muffler/tail Pipe
NHTSA recall 21E060000 · announced June 29, 2021 · Cummins · 494 units affected
The problem
Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03. 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.
What to do
Dealers will recalibrate the engine, free of charge. Owner notification letters were mailed August 20, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Official NHTSA recall notice →
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.