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Model year

2021 Fccc MT55

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

Recalls (3)Complaints (0)Investigations (0)Bulletins (33)
Recall campaigns covering this model year329k 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 Fccc MT55 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

3 recall campaigns cover the 2021 Fccc MT55

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 Fccc MT55
CampaignFiledSubjectComponentVehiclesRemedy
21V-921Nov 23, 2021Tire valve stem extension for the inner wheel may come into contact with the outer wheel rim opening and become damagedTires16,676Repair or modification
21V-256Apr 12, 2021Steering arm and tie rod bolts may have a defective seam that can fractureSteering12,470Part replacement
20V-807Dec 21, 2020Hydraulic caliper tie bar support fasteners on the steer axles may not have been properly tightened or the tie bar may have not been installed in…Brakes80Repair or modification
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Fccc MT55

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

    33 manufacturer communications cover this model year

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

    • SS 584261-FCCC Jul 17, 2026 · Other
      Service Solution for MT45G & MT55G Power Steering Oil Cooler Replacement Parts (306)
    • SS 580739 FCCC Jun 5, 2026 · Other
      Service Solution for Step Van Cat Theft Deterrent Systems
    • SS 581801-FCCC Apr 23, 2026 · Other
      Service Solution for 10 Gallon DEF Header Service Replacement Additional Parts (298)
    • SS 583339-FCCC Apr 7, 2026 · Other
      Service Solution for 2012-2024 MT45G & MT55G 6.0-Liter Gas or CNG Failed/Cracked Fuel Pump Fuse (303)
    • TSB-00-018-FCCC Jan 22, 2026 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for Repair Guidelines for Coolant Leaks
    • FL997-DLR LTR Nov 25, 2025 · Emissions
      Revised Emission Recall for FCCC Clean Idle Label
    • FL997-Bulletin Nov 25, 2025 · Emissions
      Revised Emission Recall for FCCC Clean Idle Label
    • PB33-004-FTL Jun 11, 2025 · Service Bulletin/Repair Instructions
      Parts Bulletin for Tie Rod Assembly Part Breakdown
    • SS580739-FCCC Mar 4, 2025 · Other
      Service Solution for Step Van Cat Theft Deterrent Systems (291)
    • ICI25-002 Jan 7, 2025 · Other
      Important Campaign Information letter for FL997 Emissions Recall - Revised Bulletin/Population
    • FL997-DLR LTR Jan 7, 2025 · Emissions
      Revised emissions recall for FCCC Clean Idle Label
    • FL997-Bulletin Jan 7, 2025 · Emissions
      Revised emissions recall for FCCC Clean Idle Label
    • CXA_10_17_CARB Truck Chec Oct 17, 2024 · Other
      CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
    • ICI24-035 Sep 30, 2024 · Other
      Important Campaign Information for FL997 Emissions Recall Campaign Suspended
    • FL997-OWN LTR Jul 11, 2024 · Emissions
      Emission Recall for FCCC Clean Idle Label
    • FL997-DLR LTR Jul 11, 2024 · Emissions
      Emission Recall for FCCC Clean Idle Label
    • FL997-Bulletin Jul 11, 2024 · Emissions
      Emission Recall for FCCC Clean Idle Label
    • MYCOM_05142024-1 May 15, 2024 · Other
      My Communications for SSI DEF Header Warranty Policy Extension for B6 7 Engines Model Years 2017-2021
    • CumminsB6.7SSI Apr 26, 2024 · Service Bulletin/Repair Instructions
      Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
    • ICI24-006 Feb 20, 2024 · Service Bulletin/Repair Instructions
      Important Campaign Information letter for FL974 - Revised Bulletin & Population
    • FL974 Feb 20, 2024 · Service Bulletin/Repair Instructions
      Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been ad…
    • FL974 Jan 19, 2024 · Service Bulletin/Repair Instructions
      Emissions Recall: Cummins DEF Sensor Shortage
    • WP21-007 Mar 22, 2021 · Service Bulletin/Repair Instructions
      Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
    • 21OEM-06 Feb 19, 2021 · Service Bulletin/Repair Instructions
      Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to maintain the latest …
    • SS3733 Jan 7, 2021 · Service Bulletin/Repair Instructions
      Updated Service Solution for 6.0l Gas Engine With Low Oil PSI. Certain FCCC vehicles equipped with a 6.0l GM gas engine may experience a complaint of low oil pressure indication on the instrument panel.
    • SBU35-012 Dec 23, 2020 · Service Bulletin/Repair Instructions
      FCCC Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring wi…
    • SBU31-006 Dec 8, 2020 · Service Bulletin/Repair Instructions
      Service Bulletin for Interlube Leak at the Injectors. Some walk-in vans equipped with an Interlube Chassis Lubrication System may experience leaks at the lubrication injectors. The injectors may not have been tightened properly.
    • SBU54-056 Oct 27, 2020 · Service Bulletin/Repair Instructions
      Freightliner Custom Chassis Service Bulletin for When troubleshooting powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter is the only Daimler-approved tool for troubleshooting vehicle Powernet issues. When troubl…
    • 20TS-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
      Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility. Note: This document supersedes 14 TS-25 and 15 TS-8. Detroit Diesel has determined that some, Diesel Particulate Filters (DPFs) are compatible in pairs and or ca…
    • 20OEM-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
      OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
    • 20CSA-10 Jul 27, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂî 8.12 Standard and Professional is available to download from the Detroit Diesel server.
    • 20CSA-09 Jul 23, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement for DiagnosticLink Software Update Reminder. Due to various software changes and fixes, vehicles will require DiagnosticLink 8.12 to perform functional programming. Failure to use this version may cause errors, incomplete progr…
    • 20CSA-08 Jun 10, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement for Release of DiagnosticLink 8.12. On Wednesday, June 10, 2020, DiagnosticLink 8.12 will be made available for download from the ordering system. Current subscribers of DiagnosticLink 8.xx can upgrade to DiagnosticLink 8.12 at…
    Source: NHTSA manufacturer communications files.
    About service bulletins