Recall Register

2023 Thomas Built Buses SAF-T-Liner EFX: recalls and complaints

NHTSA lists 6 recall campaigns for the 2023 Thomas Built Buses SAF-T-Liner EFX. The newest campaign is 26V087000. NHTSA received the report on 13 Feb 2026. The NHTSA record gives the component Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 26V087000, in the NHTSA record

Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

6 campaigns, newest first. 21,098 units in total.

  • 26V087000Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings
  • 26V086000Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings
  • 23V259000Steering / Linkages / Tie Rod Assembly
  • 22V762000Structure / Body / Roof and Pillars
  • 22V517000Structure / Emergency / Escape/Egress/Exit
  • 22V153000Seats / Critical Fasteners

  1. 26V087000Received . 52 units.

    Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2025 Saf-T-Liner EFX and 2023-2026 Saf-T-Liner HDX vehicles. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
    Consequence, in the NHTSA record
    Contact with hot heating coolant may burn occupants, increasing the risk of injury.
    Remedy, in the NHTSA record
    Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1030. Owner notification date in the NHTSA record: .

  2. 26V086000Received . 2,843 units.

    Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2026 Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
    Consequence, in the NHTSA record
    Contact with hot heating coolant may burn occupants, increasing the risk of injury.
    Remedy, in the NHTSA record
    Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1030. Owner notification date in the NHTSA record: .

  3. 23V259000Received . 48 units.

    Steering / Linkages / Tie Rod Assembly

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Buses SAF-T-LINER SAF-T-LINER C2 Jouley, Thomas Built Buses SAF-T-LINER EFX, Thomas Built Buses SAF-T-Liner HDX, Thomas Built Buses Chassis and 2023-2024 School Bus Chassis school buses. The tie rod may be missing a fastener, allowing the steer arm to detach.
    Consequence, in the NHTSA record
    A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.
    Remedy, in the NHTSA record
    DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL970. Owner notification date in the NHTSA record: .

  4. 22V762000Received . 17,613 units.

    Structure / Body / Roof and Pillars

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
    Consequence, in the NHTSA record
    A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
    Remedy, in the NHTSA record
    Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL957. Owner notification date in the NHTSA record: .

  5. 22V517000Received . 3 units.

    Structure / Emergency / Escape/Egress/Exit

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Buses Saf-T-Liner EFX school buses. The buses may not have a sufficient number of emergency exits. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits And Window Retention And Release."
    Consequence, in the NHTSA record
    An insufficient number of emergency exits can delay passengers from exiting the vehicle during an emergency, increasing their risk of injury.
    Remedy, in the NHTSA record
    Dealers will add an emergency exit roof hatch, free of charge. All vehicles have been remedied. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL947.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL947. Owner notification date in the NHTSA record: .

  6. 22V153000Received . 539 units.

    Seats / Critical Fasteners

    Defect, in the NHTSA record
    Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Thomas Built Buses Saf-T-Liner EFX School Buses. The passenger seat mounting bolts may break due to improperly placed mounting that allows contact with the chassis cross member bolts. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 210, "Seat Belt Assembly Anchorage" and 222, "School Bus Passenger Seating and Crash Protection."
    Consequence, in the NHTSA record
    A seat with broken mounting bolts may not properly restrain an occupant in a crash, increasing their risk of injury.
    Remedy, in the NHTSA record
    Dealers will add a spacer to provide proper clearance between the passenger seat mounting and chassis cross member bolts, free of charge. Owner notification letters were mailed June 2, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-921.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-921. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 20062
  2. 20072
  3. 20082
  4. 20092
  5. 20102
  6. 20113
  7. 20124
  8. 20139
  9. 201415
  10. 201512
  11. 201612
  12. 201716
  13. 201814
  14. 201910
  15. 20208
  16. 20217
  17. 20226
  18. 20236
  19. 20242
  20. 20255
  21. 20262

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2023 Thomas Built Buses SAF-T-Liner EFX: recalls and complaints. https://recallregister.com/vehicle/thomas-built-buses/saf-t-liner-efx/2023/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
30 Sep 2026
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
Daimler Trucks North America, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2023 Thomas Built Buses SAF-T-Liner EFX?
21,098 units in 6 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Thomas Built Buses SAF-T-Liner EFX have for all model years?
NHTSA lists 42 recall campaigns for the Thomas Built Buses SAF-T-Liner EFX, model years 2006 to 2026. 6 of them name the 2023 model year.
Is an NHTSA investigation of the 2023 Thomas Built Buses SAF-T-Liner EFX open?
The NHTSA investigation file has no investigation that names this model year.