ITS61822
Service Bulletin/Repair Instructions
Instructions to verify compression fitting P/N 19-10-1335 is installed correctly.
Vehicle report
2026 MCI J4500
Service bulletins
15 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TSIB 26-07
Service Bulletin/Repair Instructions
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 illumination of a warning indicator.
ITS61807
Service Bulletin/Repair Instructions
Instructions for uploading the latest software to include RGB light features.
ITS61793
Service Bulletin/Repair Instructions
Instructions for adding an oil collection bottle on the HVAC compressor to measure oil seepage past the seal.
TSIB 26-05
Service Bulletin/Repair Instructions
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 customer’s discretion.
TSIB 26-01
Service Bulletin/Repair Instructions
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.
ITS61456
Service Bulletin/Repair Instructions
Instructions to realign windshield support plate to prevent vertical windshield cracks.
ITS61557
Service Bulletin/Repair Instructions
Instructions to flash the latest PLC program based on customer requests to have PLC transmit specified signals to Saucon system.
TSIB 26-04
Service Bulletin/Repair Instructions
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.
ITS61508
Service Bulletin/Repair Instructions
Instructions for adding an oil collection bottle to the HVAC compressor to measure oil loss through the compressor seal.
TSIB 25-09
Service Bulletin/Repair Instructions
Instructions to verify security of interior REI brand monitors on affected coaches.
TSIB 25-08
Service Bulletin/Repair Instructions
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-Joint on lower steering shafts. Rework instruction and preventive maintenance guide are provided below. Following this procedure and preventive maintenance will increase the life of MCI lower steering shafts.
ITS61475
Service Bulletin/Repair Instructions
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.
ITS61325
Service Bulletin/Repair Instructions
Instructions to update the Brigade 360 Camera Generation 3 system with correct MCI updates for the toggle switch operation.
TSIB 25-05
Service Bulletin/Repair Instructions
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.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.