No complaints are listed for the 2023 MCI J4500. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as MCI J4500.
Model-generated complaint tags: No complaints are listed for tagging.
Manufacturer communications
20 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 8 |
|---|
| STRUCTURE | 4 |
|---|
| FUEL SYSTEM, DIESEL | 3 |
|---|
| ENGINE | 2 |
|---|
| FUEL/PROPULSION SYSTEM | 2 |
|---|
| ENGINE AND ENGINE COOLING | 1 |
|---|
| LATCHES/LOCKS/LINKAGES | 1 |
|---|
| POWER TRAIN | 1 |
|---|
11036566
Date: 2026-08-28. Type: Service Bulletin/Repair Instructions. Systems: FUEL/PROPULSION SYSTEM.
ITS to replace the neck fill assembly with a new design which resolves a possible splashback issue at higher fuel flow rates, without the need for fuel tank removal.
11036144
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
11034101
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.
11033193
Date: 2026-05-28. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN, WHEELS.
Instructions for updating software to allow automatic snow chains to activate (if equipped).
11032280
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.
11029029
Date: 2026-02-13. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
Instructions to realign windshield support plate to prevent vertical windshield cracks.
11029031
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.
11027707
Date: 2026-01-07. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Instructions to verify security of interior REI brand monitors on affected coaches.
11023870
Date: 2025-10-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Instructions to download BCC program (T35-1581) V4.06. This program will allow the Eco-Temp system to properly log A17 code for low suction pressure.
11019689
Date: 2025-06-10. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
The mini fuses in the battery compartment for the condenser may not be enough for certain load conditions.