MCI D4505: problems, complaints, bulletins
Summary for the MCI D4505 across 9 model years: 0 owner complaints and 22 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 | 33 |
| Equipment | 0 | 0 | 26 |
| Engine | 0 | 0 | 18 |
| Service brakes | 0 | 0 | 13 |
| Steering | 0 | 0 | 10 |
| Suspension | 0 | 0 | 9 |
| Seats | 0 | 0 | 7 |
| Engine and cooling | 0 | 0 | 6 |
| Fuel system | 0 | 0 | 2 |
| Structure | 0 | 0 | 2 |
| Other | 0 | 0 | 9 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
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 bulletin introduces an optional product improvement to the A/C compressor drive system for coaches…
- This TSIB provides information to provide a software update
- This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent…
- MCI noticed that some customers operating in severe duty environments were experiencing the exterior…
- Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor
- Technical Service Information Bulletin describing the replacement of seating backrest attachment hardware…
- This Technical Instruction is a description of the inspections and cleaning procedures being recommended…
- This Technical Service Information Bulletin is a supplemental reminder to all MCI owners/operators of…
- This Instruction to Service (ITS) is a description of the inspections being recommedned by MCI due to the…
- This is an upgrade to Technical Service Information Bulletin TSIB 21-10 issued in January of 2022 which is…
- This Technical Service Information Bulletin describes interim inspection procedures required every 6000…
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.