AI Damage2020 Alexander Dennis Enviro 500: common problems
The maker issued 3 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 3
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
Comparison
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This Service Bulletin has been released to remind Operators of the correct operation of the park brake…
This Service Bulletin has been released to remind Operators of the correct operation of the park brake lever following a recent increase in reported failures of these valves.
- This Technical Instruction has been issued to advise suitably qualified and experienced personnel on the…
This Technical Instruction has been issued to advise suitably qualified and experienced personnel on the correct procedure to ensure that the clamp pinch nuts have been correctly torqued.
- The purpose of this Service Bulletin is to inform Customers of the availability of Service List SL3308…
The purpose of this Service Bulletin is to inform Customers of the availability of Service List SL3308 which has been released and can be used on Enviro 500 and Enviro 400 should the lower linkage pin is missing or…
Other years of this model
Questions and answers
What are the most common problems with the 2020 Alexander Dennis Enviro 500?
There are no owner complaints in the NHTSA data for this year; the data comes from 3 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Alexander Dennis Enviro 500?
NHTSA lists 3 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Alexander Dennis Enviro 500 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.