No complaints are listed for the 2020 MCI D4000. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as MCI D4000.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
1 recalls.
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.
Manufacturer communications
11 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 5 |
|---|
| EQUIPMENT | 4 |
|---|
| ENGINE | 2 |
|---|
| ENGINE AND ENGINE COOLING | 1 |
|---|
| SEATS | 1 |
|---|
| SERVICE BRAKES | 1 |
|---|
| SERVICE BRAKES, HYDRAULIC | 1 |
|---|
| UNKNOWN OR OTHER | 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.
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.
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
10208761
Date: 2022-02-04. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
This is an upgrade to Technical Service Information Bulletin TSIB 21-10 issued in January of 2022 which is specific to buses operating in severe duty and or corrosive environments. These bulletins have been issued to recommend interim inspection procedures required every 6000 miles on specifically e
10206198
Date: 2021-12-14. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES, HYDRAULIC.
This Technical Service Information Bulletin (TSIB) describes an update from Meritor for the bolt torque application requirements on hub-to-rotor bolts for the front, drive and tag axles, on specific coaches equipped with Meritor EX225 disc brakes, on either Conventional, PreSet or Unitized Wheel-End
10203121
Date: 2021-10-06. Type: Service Bulletin/Repair Instructions. Systems: SEATS.
Technical Service Information Bulletin describing an update to the Preventaive Maintenance requirements for specifically equipped motor coaches with Kiel Avane model passenger seats.
10198960
Date: 2021-06-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
This Technical Sevice Information Bulletion is to advise of a part number supersession of the coolant hump hose, MCI PN 6L-8-353, to MCI PN 06-08-2262.