No complaints are listed for the 2024 MCI D4500. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as MCI D4500.
Complaints per 100k sold unavailable. No sales source is available for this record.
Model-generated complaint tags: No complaints are listed for tagging.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
6 manufacturer communications.
| System | Count |
|---|---|
| ELECTRICAL SYSTEM | 2 |
| STEERING | 2 |
| ENGINE | 1 |
| SERVICE BRAKES | 1 |
| SUSPENSION | 1 |
| UNKNOWN OR OTHER | 1 |
Date: 2026-08-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES.
This bulletin is to provide instructions for clearing DTC 1067 FMI 7 (Pressure Sensor Not Calibrated) and FMI 11 (Primary and Secondary Circuit Pressure Sensor (PS1/PS2) Plausibility Error - BS Pressure), when required to prevent the loss of Adaptive Cruise Control functionality and the illuminatio
Date: 2026-06-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
This bulletin introduces an optional product improvement to the A/C compressor drive system for coaches equipped with a Cummins X12. The improved pulley system is available for customers who wish to reduce noise and vibration characteristics and may be installed at the customera s discretion.
Date: 2026-05-06. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This TSIB provides information to provide a software update. Some coaches using MCC HVAC Eco-Tempo ECU # 07-10-009 software T35-1581 / V1.04 may be experiencing random fault codes due to MCC software errors.
Date: 2026-02-09. Type: Service Bulletin/Repair Instructions. Systems: STEERING, SUSPENSION.
This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent damage on axle components due to displacement of grease from the bearings, lubrication reduction and accelerate wear for coaches with independent front suspension.
Date: 2025-10-15. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
MCI noticed that some customers operating in severe duty environments were experiencing the exterior U-Joints of the lower steering shaft binding due to corrosion. Because of this, MCI has developed a new re-greaseable U-Joint service kit (NF PN: 6505981) to replace the existing greased for life U-J
Date: 2025-06-26. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This TSIB is to remind MCI coach operators that when servicing the HVAC belts, idler pulleys or the lower mount of the idler pulley bracket, ensure that the lower mount is adjusted so it is not contacting the bumper support beam nor the bumper itself.
None listed.
| NHTSA model label | Complaints |
|---|---|
| D4500 | 0 |
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