AI DamageMCI J4500: problems, complaints, bulletins
Summary for the MCI J4500 across 12 model years: 0 owner complaints and 117 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 | 124 |
| Equipment | 0 | 0 | 82 |
| Engine and cooling | 0 | 0 | 42 |
| Engine | 0 | 0 | 37 |
| Structure | 0 | 0 | 35 |
| Steering | 0 | 0 | 19 |
| Suspension | 0 | 0 | 19 |
| Fuel/propulsion system | 0 | 0 | 17 |
| Service brakes | 0 | 0 | 11 |
| Fuel system | 0 | 0 | 10 |
| Exterior lighting | 0 | 0 | 9 |
| Seats | 0 | 0 | 8 |
| Powertrain | 0 | 0 | 7 |
| Vehicle speed control | 0 | 0 | 6 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Instructions to add RGB theme light program
- Instructions to update the PLC program to add a brake light telltale on dash when brakes are activated
- Instructions for uploading the latest program to add theme lights
- Instructions to clean and treat rusted surface on specific tubes showing rust on bottom of the center chassis
- ITS to replace the neck fill assembly with a new design which resolves a possible splashback issue at…
- Instructions to verify compression fitting P/N 19-10-1335 is installed correctly
- 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…
- Instructions for uploading the latest software to include RGB light features
- Instructions for adding an oil collection bottle on the HVAC compressor to measure oil seepage past the seal
- Instructions for updating software to allow automatic snow chains to activate (if equipped)
- This TSIB provides information to provide a software update
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.