How many recalls does the 2020 Alexander Dennis Enviro 500 have?

The 2020 Alexander Dennis Enviro 500 has 1 NHTSA safety recall campaign on record.

How do I check if my 2020 Alexander Dennis Enviro 500 has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

2020 Alexander Dennis Enviro 500 Recalls

Recalls on record Updated July 2026

The 2020 Alexander Dennis Enviro 500 has 1 NHTSA recall campaign affecting an estimated 310 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

FUEL SYSTEM, DIESEL 21V468000 2021-06-23 310 affected

Defect

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.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

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.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Alexander Dennis Enviro 500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.