AutoStatsIQ
Data through Oct 2026
Model year

2021 MCI D4000 Istv

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

Recalls (1)Complaints (0)Investigations (0)Bulletins (3)
Recall campaigns covering this model year11,125 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 D4000 Istv by year filed

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

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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.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

One recall campaign covers the 2021 MCI D4000 Istv

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 D4000 Istv
CampaignFiledSubjectComponentVehiclesRemedy
21V-971Dec 15, 2021Fuel 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 system1,125Repair or modification
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 MCI D4000 Istv

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.
    All investigations
    Service bulletins

    3 manufacturer communications cover this model year

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

    • ITS60378 Apr 1, 2022 · Service Bulletin/Repair Instructions
      This Technical Instruction describes how to upgrade the Delco alternator indicator lamp ring terminal.
    • TSIB 22-02 Apr 1, 2022 · Service Bulletin/Repair Instructions
      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.
    • TSIB 21-01 Dec 14, 2021 · Service Bulletin/Repair Instructions
      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…
    Source: NHTSA manufacturer communications files.
    About service bulletins