Model year

2021 MCI J3500

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year420k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 MCI J3500 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

4 recall campaigns cover the 2021 MCI J3500

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2021 MCI J3500
CampaignFiledSubjectComponentVehiclesRemedy
25V-853Dec 10, 2025Front door lower curb view glazing material is incorrectStructure15,454Part replacement
23V-240Apr 5, 2023Vehicle's rear lighting may be obstructed when bikes are installed on the bike rackEquipment140Not stated
21V-748Sep 24, 2021Main Distribution Panel (MDP) located within the battery compartment contains a circuit board that may failElectrical system2,455Repair or modification
21V-364May 18, 2021Sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leakFuel system1,845Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 MCI J3500

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    17 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • TSIB 26-07 Aug 11, 2026 · 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 Cruis…
    • TSIB 26-01 May 6, 2026 · 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.
    • ITS61079 Mar 20, 2026 · Service Bulletin/Repair Instructions
      Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 22inch DEF tank - CA emissions.
    • TSIB 26-04 Feb 9, 2026 · 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 …
    • ITS61237 Jan 9, 2025 · Service Bulletin/Repair Instructions
      Instructions outlining the steps to replace the existing harness with mini fuses to a more robust design and heavier duty fuses.
    • ITS61191 Jan 21, 2025 · Service Bulletin/Repair Instructions
      Instructions for relocating the idler pulley and adding a longer belt to improve reliability.
    • TSIB 24-03 Nov 5, 2024 · Service Bulletin/Repair Instructions
      Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.
    • TSIB 24-05 Sep 4, 2024 · Service Bulletin/Repair Instructions
      Service Bulletin issued to relocate the alternator belt idler pulley and change the belt layout for improved performance.
    • ITS60877 Dec 8, 2023 · Service Bulletin/Repair Instructions
      Instruction to Service ITS60877 provides instructions to relocate an impact sensor in baggage bay to reduce nuisance activations.
    • TSIB 22-04 Jul 18, 2023 · Service Bulletin/Repair Instructions
      Instructions to improve sealing in the front junction box.
    • ITS60681 Apr 17, 2023 · Service Bulletin/Repair Instructions
      Instructions to replace the wheelchair lift landing block if damaged.
    • TSIB 22-12 Sep 7, 2022 · Service Bulletin/Repair Instructions
      MCI has released Technical Service Information Bulletin (TSIB) 22-12 to address concerns with water ingress in remote switch box. The TSIB provides guidance on how to rework the box to inhibit water intrusion and connector corrosion
    • TSIB 22-04 May 3, 2022 · Service Bulletin/Repair Instructions
      Technical Service Information Bulletin describing the retrofit for the front junction box cover on specifically equipped buses.
    • TSIB 21-10 Jan 5, 2022 · Service Bulletin/Repair Instructions
      This Technical Service Information Bulletin describes interim inspection procedures required every 6000 miles on specific motor coaches due to the global parts shortage and subsequent delay in available parts to conduct the corrective actions associated wit…
    • TSIB 21-08 Oct 6, 2021 · Service Bulletin/Repair Instructions
      Technical Service Information Bulletin describing an update to the Preventaive Maintenance requirements for specifically equipped motor coaches with Kiel Avane model passenger seats.
    • TSIB 21-05 Jun 2, 2021 · Service Bulletin/Repair Instructions
      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.
    • SB 3146 Oct 22, 2020 · Service Bulletin/Repair Instructions
      This service bulletin outlines the steps to add the secondary air filter. The secondary filter can only be used with primary air filter, MCI P/N: 09-03-1858.
    Source: NHTSA manufacturer communications files.