MCI J4500E: problems, complaints, bulletins
Summary for the MCI J4500E across 4 model years: 0 owner complaints and 10 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 16 |
| Fuel/propulsion system | 0 | 0 | 11 |
| Steering | 0 | 0 | 5 |
| Service brakes | 0 | 0 | 4 |
| Suspension | 0 | 0 | 4 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This bulletin is to provide instructions for clearing DTC 1067 FMI 7 (Pressure Sensor Not Calibrated) and…
- This TSIB provides information to provide a software update
- This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent…
- Instructions to verify security of interior REI brand monitors on affected coaches
- Instructions to replace the MDS (Main Disconnect Switch) decal from a 1-minute wait with a 5-minute wait…
- A consumer notification indicating one of New Flyer's battery suppliers is exiting the market
- MCI noticed that some customers operating in severe duty environments were experiencing the exterior…
- This Bulletin is being issued due to New Flyer & MCI have received reports that customers are re-torquing…
- Instructions to replace the BTMS coolant filter and filter head due to possible damage from galling
- Instruction to rework low voltage connector to prevent water intrusion and corrosion
Other models of this make
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.