No complaints are listed for the 2020 MCI D4500. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as MCI D4500.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
8 recalls.
Date: 2025-12-10. Systems: STRUCTURE, VISIBILITY.
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, (excerpt)
Consequence: The incorrect window glazing material may reduce the driver's visibility, increasing the risk of a crash. (excerpt)
Remedy: 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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2024-02-07. Systems: EQUIPMENT ADAPTIVE/MOBILITY.
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 (excerpt)
Consequence: Beacons that do not provide proper illumination may be less visible to wheelchair lift users, increasing the risk of injury. (excerpt)
Remedy: 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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-12-15. Systems: FUEL SYSTEM, DIESEL.
Defect: Motor Coach Industries (MCI) is recalling certain 2019-2022 D4000 ISTV, D4500, 2021 D4000, D4520, 2020-2021 D4505, D4005, 2020-2022 D45CRTLE, and 2019-2021 J4500 vehicles equipped with certain Cummins X12 diesel engines. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.
Consequence: A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy: On engines with 75 miles or less, Cummins dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-028.
Do not drive: No. Park outside: No.
Date: 2021-09-24. Systems: ELECTRICAL SYSTEM.
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.
Consequence: MDP circuit board failure can result in a fire or an unexpected vehicle shutdown, increasing the risk of a crash.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2021-05-18. Systems: FUEL SYSTEM, DIESEL.
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.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2020-06-12. Systems: ELECTRICAL SYSTEM.
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 cau (excerpt)
Consequence: If the engine shuts down or loses power while the vehicle is in motion, this may increase the risk of a crash. (excerpt)
Remedy: 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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2020-04-29. Systems: SEAT BELTS.
Defect: Motor Coach Industries (MCI) is recalling certain 2015-2016 D4000, 2015-2020 D4500 and D4505, 2016-2020 J4500, 2018 J3500, and 2017 D4005 buses. The seat belts may not extend from the retracted position, rendering the seat belt unusable. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standards (FMVSS) number 208, "Occupant Crash Protection," and numb (excerpt)
Consequence: Inability to use the seat belt may increase the risk of injury in the event of a crash. (excerpt)
Remedy: MCI will notify the affected owners, and dealers will inspect and replace the seat belts, as necessary, free of charge. MCI issued owners an interim notification June 26, 2020. The recall began January 13, 2021. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 482. (excerpt)
Do not drive: No. Park outside: No.
Date: 2019-12-27. Systems: SUSPENSION.
Defect: Motor Coach Industries (MCI) is recalling certain 2018-2020 D4505 and D4500 coaches equipped with an optional steerable tag axle. The tag axle mounting block clamps that retain the tie rod to obtain the forward steer orientation may slip, resulting in the tag axle being out of alignment.
Consequence: If the tag axle becomes misaligned with the front of the vehicle, the rear of the vehicle may strike other vehicles or pedestrians, increasing the risk of a crash or injury.
Remedy: MCI will notify owners, and dealers will replace the block clamps and retorque the fasteners, free of charge. The recall began February 19, 2020. Owners may contact MCI customer service at 1-800-241-2947.
Do not drive: No. Park outside: No.
Manufacturer communications
21 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 8 |
|---|
| EQUIPMENT | 8 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 3 |
|---|
| ENGINE | 2 |
|---|
| ENGINE AND ENGINE COOLING | 2 |
|---|
| FUEL SYSTEM, DIESEL | 2 |
|---|
| WHEELS | 2 |
|---|
| SEATS | 1 |
|---|
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.
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.
11033013
Date: 2026-05-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Instructions for LV Battery Replacement Procedure (Vanner Equipped coaches)
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.
11011092
Date: 2024-11-05. Type: Service Bulletin/Repair Instructions. Systems: ENGINE, UNKNOWN OR OTHER.
Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.
10210903
Date: 2022-04-01. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING, FUEL SYSTEM, DIESEL.
This Technical Service Information Bulletin is a supplemental reminder to all MCI owners/operators of vehicles which are affected by the Cummins Equipment Recall 21E-099 and MCI Vehicle recall 21V-971.
10210908
Date: 2022-04-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This Technical Instruction describes how to upgrade the Delco alternator indicator lamp ring terminal.
10210913
Date: 2022-04-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
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
10210017
Date: 2022-03-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
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