NHTSA vehicle safety data
2017 Alexander Dennis Enviro 500 Recalls & Complaints
The 2017 Alexander Dennis Enviro 500 has 1 NHTSA recall campaign on file as of October 21, 2026. try.vin has no NHTSA owner complaints on file for the 2017 Alexander Dennis Enviro 500. Recall repairs are usually free at an authorized Alexander Dennis dealer.
NHTSA recall and complaint data for the 2017 Alexander Dennis Enviro 500. Recall data is refreshed daily from NHTSA.
High Pressure Fuel Rail Assembly May Leak Fuel
NHTSA #21V468000 · Fuel System, Diesel — Fuel Injection System — Fuel Rail · NHTSA notice
Reported June 23, 2021 · Alexander Dennis Inc.
Potentially affected: 310 vehicles
Repair completion: 85.06% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
Owners notified June 18, 2021
Defect description
Alexander Dennis, Inc. (Alexander Dennis) is recalling certain 2017-2020 E500 buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed June 18, 2021. Owners may contact Alexander Dennis customer service at 1-951-244-9429.
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.
Other Alexander Dennis Enviro 500 model years
Check your 2017 Alexander Dennis Enviro 500 VIN
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