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RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2019 Thomas Built Buses Saf-T-Liner Efx recalls

NHTSA's September 21, 2026 snapshot lists 10 safety recall campaigns for the 2019 Thomas Built Buses Saf-T-Liner Efx, spanning 7 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns10not VIN-specific
Component groups7distinct top-level categories
Latest recordJuly 24, 2024report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2019 Thomas Built Buses Saf-T-Liner Efx recall campaigns

The 2019 Thomas Built Buses Saf-T-Liner Efx report contains 10 distinct NHTSA campaigns; the most recently received record is campaign 24V555000 dated July 24, 2024.
Component
EQUIPMENT
Report received
July 24, 2024
Potential units
27,494campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2019-2022 Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, Minotour DRW, 2020-2022 Saf-T-Liner C2 Jouley, and Minotour SRW school buses. The Emergency Exit Label lettering is too small and may be difficult to read. 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.".

Why it matters: Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury.

Remedy

Dealers will correct the lettering, free of charge. Owner notification letters were mailed September 5, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL918.

Owner notification: September 5, 2024 · Filing manufacturer: Daimler Trucks North America, LLC

Component
STRUCTURE
Report received
October 12, 2022
Potential units
17,613campaign-wide
Defect and consequence

Defect: 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.".

Why it matters: A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.

Remedy

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.

Owner notification: June 2, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

Component
SEATS
Report received
July 19, 2022
Potential units
1,806campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2014-23 Thomas Built Buses HDX and 2014-22 EFX school buses equipped with 39-inch S3C seat frames and 3-point flex seatbelts. The passenger seat frames may crack and rotate from fatigue.

Why it matters: Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.

Remedy

Dealers will secure the seat frames with brackets, free of charge. Owner notification letters were mail December 4, 2023. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL946.

Owner notification: December 4, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 20V126000

Component
SERVICE BRAKES, AIR
Report received
March 3, 2020
Potential units
581campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner HDX, EFX, and C2 school buses equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.

Why it matters: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 2, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-845.

Owner notification: May 2, 2020 · Filing manufacturer: Daimler Trucks North America LLC

Component
SEATS
Report received
October 4, 2019
Potential units
53,528campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2020 Thomas Built Saf-T-Liner EFX, Minotour, Saf-T-Liner C2, and Saf-T-Liner HDX school buses equipped with SynTec S3B or S3C seats. The seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel seat frame of the back support. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection.".

Why it matters: The lack of impact absorption increases the risk of injury in the event of a crash.

Remedy

DTNA will notify owners, and dealers will install additional impact material between the re-bond back and the vinyl back cover to increase the amount of absorption, free of charge. DTNA issued owners an interim notification on November 29, 2019. The recall began June 22, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-832.

Owner notification: June 22, 2020 · Filing manufacturer: Daimler Trucks North America LLC

CAMPAIGN

NHTSA 19V550000

Component
STRUCTURE
Report received
July 25, 2019
Potential units
3,080campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Minotour, Saf-T Liner C2, Saf-T Liner EFX, and Saf-T Liner HDX school buses equipped with Safe Fleet Prolo Roof Escape hatches. Due to a manufacturing issue, the roof hatch external handle may unexpectedly break under reasonable use.

Why it matters: If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.

Remedy

DTNA will notify owners, and dealers will install a new handle, free of charge. Owners were issued an interim notification on September 13, 2019. The recall began November 15, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-819.

Owner notification: November 15, 2019 · Filing manufacturer: Daimler Trucks North America LLC

Component
SERVICE BRAKES, AIR
Report received
June 11, 2019
Potential units
11,546campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.

Why it matters: The dragging brakes may lead to high temperatures at the wheel end, increasing the risk of smoke and fire, possibly resulting in the bus having to be evacuated, which can increase the risk of injury.

Remedy

DTNA will notify owners, and dealers will install a new caliper with an updated clearance adjustment mechanism, free of charge. The recall began August 9, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-818.

Owner notification: August 9, 2019 · Filing manufacturer: Daimler Trucks North America LLC

CAMPAIGN

NHTSA 18V914000

Component
STEERING, SUSPENSION
Report received
December 19, 2018
Potential units
73campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Thomas Built Saf-T-Liner HDX, C2, and EFX School Buses, equipped with Detroit Axle axles. The affected vehicles may have loose steering tie rod arm bolts.

Why it matters: Loose tie rod arm bolts may lead to separation of the tie rod arm, affecting vehicle steering, and increasing the risk of a crash.

Remedy

DTNA has notified owners, and dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began February 9, 2019. Owners may contact Daimler Trucks at 1-800-547-0712. DTNA's number for this recall is FL-802.

Owner notification: February 9, 2019 · Filing manufacturer: Daimler Trucks North America LLC

CAMPAIGN

NHTSA 18V702000

Component
SERVICE BRAKES, AIR
Report received
October 5, 2018
Potential units
1,532campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Thomas Built school buses Saf-T-Liner C2, Saf-T-Liner HDX and Saf-T-Liner EFX school buses. The brake caliper mounting bolts may have been insufficiently tightened.

Why it matters: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

Remedy

DTNA has notified owners, and dealers will check and tighten the brake caliper mounting bolts, free of charge. The recall began December 3, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-794.

Owner notification: December 3, 2018 · Filing manufacturer: Daimler Trucks North America LLC

CAMPAIGN

NHTSA 18V352000

Component
SERVICE BRAKES, HYDRAULIC
Report received
May 29, 2018
Potential units
2,767campaign-wide
Defect and consequence

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX and Saf-T-Liner HDX school buses equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.

Why it matters: If the brake caliper mounting bolts come loose, braking performance may be reduced, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge. DTNA issued owners an interim notification on July 25, 2018. The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-772.

Owner notification: September 4, 2018 · Filing manufacturer: Daimler Trucks North America LLC

02 / COMPONENT BREADTH

What defects are listed for the 2019 Thomas Built Buses Saf-T-Liner Efx?

The most frequent component groups in 2019 Thomas Built Buses Saf-T-Liner Efx campaign records are Service Brakes, Air (3), Structure (2), Seats (2), Service Brakes, Hydraulic (1), Steering (1); these counts describe filed campaigns rather than observed failure rates.
Service Brakes, Air3
Structure2
Seats2
Service Brakes, Hydraulic1
Steering1