Model year

2023 Thomas Built Buses Saf-T-Liner EFX

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

Recall campaigns covering this model year621k 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 2023 Thomas Built Buses Saf-T-Liner EFX 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 2023 Thomas Built Buses Saf-T-Liner EFX

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 2023 Thomas Built Buses Saf-T-Liner EFX
CampaignFiledSubjectComponentVehiclesRemedy
26V-087Feb 13, 2026Heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartmentEngine and cooling52Part replacement
26V-086Feb 13, 2026Heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartmentEngine and cooling2,843Part replacement
23V-259Apr 7, 2023Tie rod may be missing a fastener, allowing the steer arm to detachSteering48Part replacement
22V-762Oct 12, 2022Exterior roof panel was manufactured with insufficient joint strengthStructure17,613Repair or modification
22V-517Jul 20, 2022Buses may not have a sufficient number of emergency exitsStructure3Repair or modification
22V-153Mar 11, 2022Passenger seat mounting bolts may break due to improperly placed mounting that allows contact with the chassis cross member boltsSeats539Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2023 Thomas Built Buses Saf-T-Liner EFX

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

    22 manufacturer communications cover this model year

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

    • TSB-54-029-FTL Jul 6, 2026 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater
    • SS 305-TBB Apr 24, 2026 · Other
      Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
    • SS 308-TBB Mar 20, 2026 · Other
      Service Solution for Timer relay TBB 202400 replacement
    • SS 582773-TBB Jan 26, 2026 · Other
      Service Solution for EFX Shock Mount Frame Rail Crack Repair
    • MYCOM_09092025-1 Sep 9, 2025 · Other
      My communications for DTNA Announces Extended Coverage Policy Updates
    • SS1033857-TBB Jun 17, 2025 · Other
      Service Solution for Floor Covering Bubbles
    • SS288-TBB Feb 5, 2025 · Other
      Service Solution for HDX / EFX front lighting replacement
    • SS295-TBB Nov 20, 2024 · Other
      Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122
    • 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.
    • SS1023366-Detroit Sep 16, 2024 · Other
      Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
    • FICM Email Aug 8, 2024 · Other
      Fuel Injector Cleaner Updated Procedure
    • FICM Cleaning Aug 8, 2024 · Other
      Cleaning Gen5 Engine Fuel Injectors
    • FICM Priming Aug 8, 2024 · Other
      Fuel Injection Cleaning Machine Priming Procedures
    • FICM Setup Aug 8, 2024 · Other
      Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
    • PAB004-2023 Jan 24, 2023 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for IMMI SABRE SafeGuard Belt Ready (SBR) SEATS. Beginning January 30, 2023 IMMI' s new Sabre seats will be available to select in RACE for use on all new orders for TBB products. The new SafeGuard Belt Ready (SBR) seats provide s…
    • PAB003-2023 Jan 24, 2023 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for SUSPENSION OF FREEDMAN SEATS TYPES C & D. Effective 1/27/2023, we are suspending Freedman Seat options for our Saf T Liner C2, eC2, HDX and EFX vehicles. Structural body changes now planned for 1/1/2024 implementation needed t…
    • PAB054-2022 Sep 22, 2022 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for WELDON LAMP SHORTAGE –CONTAINMENT. We’ve been notified by Weldon that they are no longer able to provide LED lamp 162362. This light is across all product lines and this shortage will impact our production beginning the week o…
    • PAB041-2022 Jun 30, 2022 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for Bridgestone Tires Discontinuation. As TBB continues to work through supply shortages that threaten delivery of vehicles, we will need to discontinue Bridgestonetires until further notice.
    • PAB027-2022 Apr 29, 2022 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for Electric Auto-Reversing Door EFX. The electric auto reversing door feature is now available on the EFX. You can now receive the auto reversing feature on all door platforms across all our products.
    • PAB021-2022 Apr 6, 2022 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for QR Code Label for Express Write Up App. A QR Code label will become standard equipment on all units. This means you will no longer have to manually enter the VIN in the Express Write Up app! Labels will be added to all new ord…
    • PAB017-2022 Mar 25, 2022 · Service Bulletin/Repair Instructions
      Product Awareness Bulletin for SUSPENSION OF BF GOODRICH TIRE OPTIONS
    Source: NHTSA manufacturer communications files.