Model year

2021 Thomas Built Buses Saf-T-Liner C2

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

Recall campaigns covering this model year1583k 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 Thomas Built Buses Saf-T-Liner C2 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

15 recall campaigns cover the 2021 Thomas Built Buses Saf-T-Liner C2

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 Thomas Built Buses Saf-T-Liner C2
CampaignFiledSubjectComponentVehiclesRemedy
24V-555Jul 24, 2024Emergency Exit Label lettering is too small and may be difficult to readEquipment27,494Not stated
23V-670Oct 3, 2023Fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedlyStructure173Repair or modification
23V-669Oct 3, 2023Fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedlyStructure20,668Repair or modification
23V-209Sep 13, 2023Automatic low voltage disconnect switch may fail, resulting in a loss of drive power, power steering, or vehicle lightingElectrical system380Not stated
23V-333May 9, 2023Rear interior joint may have been manufactured incorrectly, resulting in insufficient joint strengthStructure23,590Repair or modification
22V-438Jun 20, 2022Engine control module (ECM) may set a fault code that results in an unexpected engine shut downEngine and cooling461Software update
21V-547Jul 20, 2021Parking brake activation switch may fail to set the parking brakeBrakes267Software update
21V-370May 19, 2021Tie rod clamps may be loose, which could result in loose tie rod ends that could break or detachSteering479Part replacement
21V-255Apr 12, 2021Steering arm and tie rod bolts may have a defective seam that can fractureSteering1,252Part replacement
21V-207Mar 24, 2021Tire valve stem extension may be damaged by contact with disc brake caliperTires22Part replacement
21V-120Feb 25, 2021Engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain…Engine and cooling159Software update
20V-787Dec 16, 2020If the service brake pedal is pressed and then released while the parking brake is engaged, the parking brake may release unexpectedlyBrakes28Software update
20V-435Jul 28, 2020Adjustable brake pedal arm may rotate from its original location due to an incorrect fit between the pedal adjustment tube and the upper brake arm…Brakes1,713Repair or modification
20V-113Feb 26, 2020Switch Hub Module (SHM) that controls the exterior warning lights and stop sign may fail, resulting in deactivation of the red warning lights,…Lighting6,010Not stated
19V-869Dec 6, 2019Fan hub bolts may have been may have been insufficiently tightenedEngine and cooling145Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 Thomas Built Buses Saf-T-Liner C2

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

    123 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • SS 583814 May 1, 2026 · Other
      Service Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
    • FleetCom_Heater Core Dec 11, 2025 · Other
      Fleet Communications for Heater Core Plugging
    • 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
    • PAB016-2025 Oct 2, 2025 · Other
      Producat Awareness Bulletin for Saf-T-Liner C2 Headlamp Updates
    • MYCOM_09022025-1 Sep 2, 2025 · Other
      My Communications for UFI 0-Ring Announcement
    • PB33-004-FTL Jun 11, 2025 · Service Bulletin/Repair Instructions
      Parts Bulletin for Tie Rod Assembly Part Breakdown
    • SS89-TBB Apr 3, 2025 · Other
      Service Solution for Windshield Stress Crack Info only
    • SS581032-FCCC Apr 10, 2025 · Other
      Service Solution for DEF Header Service Replacement Additional Parts (293)
    • SS298-TBB Feb 5, 2025 · Other
      Service Solution for C2 Low tone in the ICU
    • 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
    • WI24-019 Nov 11, 2024 · Warranty Program/Extension
      Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
    • 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.
    • SS292-TBB Oct 3, 2024 · Other
      Service Solution for EB2 MCC Controller Update, Intellipark Keep-Awake
    • SS1023366-Detroit Sep 16, 2024 · Other
      Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
    • 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
    • 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
    • SBT49-008 Oct 27, 2022 · Service Bulletin/Repair Instructions
      Thomas Built Buses Service Bulletin for DEF Connector Reinforcement Caps. Some customers experience separation of the diesel exhaust fluid (DEF) lines from the connection ports in extreme cold temperatures. To prevent this, a process was developed to secure…
    • SF633 Sep 26, 2022 · Service Bulletin/Repair Instructions
      Revised Field Service Campaign for FCCC School Bus Chassis Park Brake Alarm. On certain vehicles, the park brake alarm software parameter may be disabled. With a disabled park brake alarm, if the driver turns off the ignition without setting the park brake,…
    • ICI22-043 Sep 26, 2022 · Service Bulletin/Repair Instructions
      Important Campaign Information Letter for SF633 Revised Bulletin. This letter is to inform you that a revised bulletin for Field Service SF633 FCCC School Bus Chassis Park Brake Alarm is available on DTNAConnect. REVISION: Due to a software parameter change…
    • SF633 Aug 10, 2021 · Service Bulletin/Repair Instructions
      Field Service Campaign for FCCC School Bus Chassis Park Brake Alarm. On certain vehicles, the park brake alarm software parameter may be disabled. With a disabled park brake alarm, if the driver turns off the ignition without setting the park brake, the par…
    • PAB007-2021 Jan 21, 2021 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on MY2021 Cummins B6.7 Containment Plan
    • SS284TBB2021 Jun 14, 2021 · Service Bulletin/Repair Instructions
      Service Solution for TBB C2 with DD5 engine for low dash heat.
    • TechTalk May 25, 2021 · Service Bulletin/Repair Instructions
      TechTalk Discussion dd5 oil leak
    • PAB023-2020 May 27, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Introducing Saf-T-Liner C2 Jouley
    • PAB040-2020 Nov 3, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on RH 3 POS Switch for Electric Operated Entrance Door
    • PAB036-2020 Oct 21, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Lettering Changes - Notification
    • PAB035-2020 Oct 13, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Axial Mounted Air Disc Brake Caliper for Saf-T-Liner C2
    • PAB033-2020 Sep 15, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Hankook DH37 Drive Tire/ Spare Tire
    • PAB028-2020 Jul 22, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes
    • PAB026-2020 Jul 17, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on National Driver’s Seat Update
    • PAB025-2020 Jul 16, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Jouley Warranty Update
    • PAB024-2020 Jun 1, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on MY2020 DD5 Engine Updates
    • PAB014-2020 Mar 26, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Defender Composite Stop Arm Changes
    • PAB011-2020 Mar 18, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on C2 Backup Camera Package Changes
    • PAB010-2020 Mar 17, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Buy America Cummins B6.7 Engine
    • PAB009-2020 Mar 5, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Roof Top Lettering (Addendum)
    • PAB007-2020 Feb 25, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on 12V Outlets Update
    • PAB006-2020 Feb 21, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Defender Electric Crossing Arm
    • PAB005-2020 Feb 21, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Alcoa Wheel Update – C2
    • PAB004-2020 Feb 10, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on ESC on C2 with PSI LPG Engine and Hydraulic Brakes
    • PAB002-2020 Jan 22, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Power Outlet
    • PAB001-2020 Jan 10, 2020 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Auto Reversing Door Update â“ C2
    • PAB048-2019 Dec 6, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Data Book Update
    • PAB045-2019 Dec 3, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on LPG Update
    • PAB044-2019 Dec 2, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on DD5 Piston Standardization
    • PAB043-2019 Dec 2, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Lettering Update
    • PAB042-2019 Nov 15, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Allison 7 Year Warranty
    • PAB041-2019 Nov 13, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Cummins 6.7L Update - Radiator
    • PAB040-2019 Nov 12, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Alternator Update – C2
    • PAB039-2019 Nov 1, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Suspension Auto-Reversing Door
    • PAB038-2019 Nov 1, 2019 · Service Bulletin/Repair Instructions
      Thomas Built Buses Product Awareness Bulletin on Freedman Seating Update
    Source: NHTSA manufacturer communications files.