2026 Mci J4500 technical service bulletins
18 technical service bulletins and manufacturer communications cover the 2026 Mci J4500.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- 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.
- 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...
- 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.
- 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
- Instructions to realign windshield support plate to prevent vertical windshield cracks.
- Instructions to flash the latest PLC program based on customer requests to have PLC transmit specified...
- This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent...
- Instructions for adding an oil collection bottle to the HVAC compressor to measure oil loss through the...
- Instructions to verify security of interior REI brand monitors on affected coaches.
- MCI noticed that some customers operating in severe duty environments were experiencing the exterior...
- Instructions to download BCC program (T35-1581) V4.06. This program will allow the Eco-Temp system to...
- Instructions to update the Brigade 360 Camera Generation 3 system with correct MCI updates for the toggle...
- This TSIB is to remind MCI coach operators that when servicing the HVAC belts, idler pulleys or the lower...
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