2018 Mci D4005 problems, complaints & recalls
Safety recalls (5)
Visibility:glass, Side/Rear 2025-12-10 · campaign 25V853000 · 15,454 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 102DL3, 102D3, MC12PTV, E4500, D4000, 102D3ISTV, D4500, J4500, D4000ISTV, D4005, D4505, and J3500 transit buses. Please refer to MCI's recall report for specific model year information. The front door lower curb view glazing material is incorrect. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) number 205, "Glazing Materials."
Risk: The incorrect window glazing material may reduce the driver's visibility, increasing the risk of a crash.
Fix: MCI will replace the glass, free of charge. Owner notification letters were mailed February 4, 2026. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is 22-005.
Equipment Adaptive/Mobility:wheelchair Lift/Ramp 2024-02-07 · campaign 24V073000 · 2,114 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2014-2018 D4000, 2013-2019 D4005, 2013-2023 D4500, 2013-2020 D4505, and 2021-2024 D45CRT coaches equipped with a Ricon wheelchair lift. The red beacon lighting on the Threshold Warning System (TWS) may not be bright enough. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 403, "Platform Lift Systems."
Risk: Beacons that do not provide proper illumination may be less visible to wheelchair lift users, increasing the risk of injury.
Fix: MCI will work with Ricon to replace the TWS kits, free of charge. Owner notification letters were mailed March 21, 2024. Owners may contact MCI customer service at 1-800-241-2947.
Electrical System 2021-09-24 · campaign 21V748000 · 2,455 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2018 D4000, 2018-2020 D4005, D4000ISTV, 2017-2020 D4500, D4505, 2018-2021 J3500, 2017-2021 J4500, 2020 D4520, and 2018-2021 D45CRTLE motorcoaches. The Main Distribution Panel (MDP) located within the battery compartment contains a circuit board that may fail.
Risk: MDP circuit board failure can result in a fire or an unexpected vehicle shutdown, increasing the risk of a crash.
Fix: MCI Service Centers will remove the MDP and install a new main disconnect and circuit breaker panel, free of charge. Owner notification letters were mailed November 12, 2021. Owners may contact MCI's customer service at 1-800-241-2947. MCI's number for this recall is R21-010.
Fuel System, Diesel:fuel Injection System:fuel Rail 2021-05-18 · campaign 21V364000 · 1,845 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2017-2018 D4000, 2017-2019 D4005, D4000ISTV, D4505, 2017-2020 D4500, J4500, 2018-2020 D45CRTLE, and 2018-2021 J3500 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.
Fix: Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 28, 2021. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-009.
Electrical System:alternator/Generator/Regulator 2020-06-12 · campaign 20V352000 · 1,067 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2018-2020 D4000, D4005, D4500, D4505 and D45CRTLE buses manufactured with electric cooling fans (E-fan) for the radiator and charge air cooler, Borg Warner 55SI model dual alternator configuration (with a sense stud and wire), and Parker Vansco Multiplexing Module (VMM) Multiplex system. A build-up of debris, corrosion, and/or water flow could cause a high resistance path to ground for the sense stud on the back of the alternator and cause the a
Risk: If the engine shuts down or loses power while the vehicle is in motion, this may increase the risk of a crash.
Fix: MCI will notify the affected owners, and dealers will install a new application code in the Parker VMM multiplex modules increasing the overvoltage threshold limit, free of charge. The recall began July 23, 2020. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 479.
Service bulletins (19)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-08-11 · 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 illuminatio
Engine 2026-06-11 · 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.
Unknown Or Other 2024-11-05 · TSIB 24-03 · Service Bulletin/Repair Instructions
information to owners showing the proper procedure for checking the oil level in a bitzer hvac compressor.
Seats 2022-05-03 · TSIB 22-03 · Service Bulletin/Repair Instructions
technical service information bulletin describing the replacement of seating backrest attachment hardware with the addition of a mechanical lock nut on specifically equipped buses manufactured prior to model year 2020.
Equipment 2022-04-01 · ITS60421 · Service Bulletin/Repair Instructions
this technical instruction is a description of the inspections and cleaning procedures being recommended by mci due to the parts shortages which are impacting the repair inspections associated with nhtsa recall 21v-748. these are the same instructions as outlined in the previously submitted technica
Equipment 2022-03-17 · ITS60421 · Service Bulletin/Repair Instructions
this instruction to service (its) is a description of the inspections being recommedned by mci due to the parts shortages which are impacting the repair instructions associated with nhtsa recall 21v-748. these are the same instructions as outlined in the previously submitted technical service inform
Showing the 6 most recent of 19 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.