AutoStatsIQ
Data through Oct 2026
Model year

2021 NEW Flyer XD35

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

Recalls (6)Complaints (0)Investigations (0)Bulletins (6)
Recall campaigns covering this model year613k 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 NEW Flyer XD35 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

6 recall campaigns cover the 2021 NEW Flyer XD35

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 NEW Flyer XD35
CampaignFiledSubjectComponentVehiclesRemedy
25V-898Dec 19, 2025Antilock braking (ABS) and electronic stability control (ESC) module may lose communication and fail without illuminating the warning lightsStability and traction control6,673Software update
23V-722Oct 26, 2023Transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive powerPowertrain2,351Repair or modification
23V-711Oct 20, 2023Gross Axle Weight Rating (GAWR) and Gross Vehicle Weight Rating (GVWR) listed on the certification labels are incorrect, which can allow the…Equipment188Repair or modification
21V-576Jul 28, 2021Fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter headFuel system30Part replacement
21V-532Jul 14, 2021Engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia to be emitted from tailpipe exhaustEngine and cooling28Software update
21V-365May 18, 2021Sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leakFuel system3,600Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 NEW Flyer XD35

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

    6 manufacturer communications cover this model year

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

    • ITS61795 Sep 9, 2026 · Service Bulletin/Repair Instructions
      Instructions to inspect flooring for ridge/raised area, pull back flooring, add screws and re-apply flooring in between front luggage racks.
    • ITS61086 Mar 20, 2026 · Service Bulletin/Repair Instructions
      Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 12inch DEF tank
    • ITS61281 Jul 7, 2025 · Service Bulletin/Repair Instructions
      Instructions to adjust certain cantilever mounted seats and adjust them to proper height.
    • ITS60838 Nov 3, 2023 · Service Bulletin/Repair Instructions
      Instruction to Service 60838 to check/replace fuse box mounting hardware as required.
    • ITS60401 Jun 20, 2022 · Service Bulletin/Repair Instructions
      Technical Instruction describing how to tighten hardware and replace rivets on upper deck cantilever seats where required.
    • ITS60417 Mar 10, 2022 · Service Bulletin/Repair Instructions
      This technical instruction describes how to replace dust covers and seal and protect the harnesses associated with the Smart Rider suspension leveling system for 40 foot buses with components installed on both axles.
    Source: NHTSA manufacturer communications files.
    About service bulletins