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U.S. public vehicle records

Thomas Built Buses SAF-T-LINER EFX recalls by model year

Explore the records behind recurring owner reports.

Key facts

1 owner complaints analyzed

42 distinct recall campaigns

45,000 mi median reported failure mileage

Scope: 2006 to 2026 model years. Data snapshot: . 1 complaints include usable failure mileage.

Compare model years

Recalls by model year

All campaigns in the snapshot affecting each model year, including recalls announced years later.

Recall campaigns

Shared campaigns appear once in each affected model year.

2010
2
2011
3
2012
4
2013
9
2014
15
2015
12
2016
12
2017
16
2018
14
2019
10
2020
8
2021
7
2022
6
2023
6
2024
2
2025
5
2026
2
Recall campaigns data
CategoryCount
20102
20113
20124
20139
201415
201512
201612
201716
201814
201910
20208
20217
20226
20236
20242
20255
20262

2010: 2; 2011: 3; 2012: 4; 2013: 9; 2014: 15; 2015: 12; 2016: 12; 2017: 16; 2018: 14; 2019: 10; 2020: 8; 2021: 7; 2022: 6; 2023: 6; 2024: 2; 2025: 5; 2026: 2

Year-by-year records

Thomas Built Buses SAF-T-LINER EFX model-year comparison
Model yearComplaintsRecallsChange in recalls
200602Not available
2007020
2008020
2009120
2010020
201103+1
201204+1
201309+5
2014015+6
2015012-3
20160120
2017016+4
2018014-2
2019010-4
202008-2
202107-1
202206-1
2023060
202402-4
202505+3
202602-3

Recall history

42 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

15V564000 · Equipment Adaptive/Mobility

Reported: 2015-09-04 (September 4, 2015) · Model years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2006-2015 Thomas Built Buses Saf-T-Liner HDX, Saf-T-Liner EF, Saf-T-Liner EFX, and Minotour DRW transit buses manufactured January 3, 2006, to August 1, 2014, and equipped with certain Ricon model S2005, S2010, S5005, S5010, S5505, S5510 wheelchair lifts. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Consequence: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

Remedy: DTNA will notify owners, and dealers will inspect the link arms for damage or for displaced bearings. The platform will be inspected for cracks. Any damaged parts will be replaced, free of charge. The recall began on November 2, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-686.

NHTSA campaign record ↗
15V565000 · Equipment Adaptive/Mobility

Reported: 2015-09-04 (September 4, 2015) · Model years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2006-2015 Thomas Built Buses FS-65, Saf-T-Liner C2, Saf-T-Liner EF, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour DRW school buses manufactured January 3, 2006, to August 1, 2014, and equipped with certain Ricon model S2005, S2010, S5005, S5010, S5505, S5510 wheelchair lifts. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Consequence: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

Remedy: DTNA will notify owners, and dealers will inspect the link arms for damage or for displaced bearings. The platform will be inspected for cracks. Any damaged parts will be replaced, free of charge. The recall began onNovember 2, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-686.

NHTSA campaign record ↗
22V762000 · Structure:Body:Roof And Pillars

Reported: 2022-10-12 (October 12, 2022) · Model years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

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: 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.

NHTSA campaign record ↗
13V537000 · Seats

Reported: 2013-10-30 (October 30, 2013) · Model years: 2012, 2013, 2014

Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Thomas Built Saf-T-Liner HDX and Saf-T-Liner EFX school buses manufactured October 17, 2011, through July 2, 2013. A U-bolt intended to reinforce certain seat installations to the chassis may have been left out of the assembly process.

Consequence: In the event of a crash, the seats may not stay mounted to the chassis, increasing the risk of injury.

Remedy: DTNA will notify owners and dealers will install the U-bolts as required, free of charge. The recall began on December 13, 2013. Owners may contact DTNA at 1-503-745-5219. DTNA's recall number is FL-650.

NHTSA campaign record ↗
13V022000 · Exterior Lighting | Electrical System:Wiring:Fuses And Circuit Breakers

Reported: 2013-01-23 (January 23, 2013) · Model years: 2013, 2014

Daimler Trucks North America (DTNA) is recalling certain model year 2013-2014 Thomas Built Buses brand Saf-T-Liner EFX school buses manufactured from March 29, 2012, through November 14, 2012 and equipped with 100% Daytime Running Lights (DRL) option code C3676-24-000. The DRL circuit breaker may trip during continuous operation of the headlights in high beam mode. This would result in a loss of power to the headlights, marker lights, tail lights, and dash lighting.

Consequence: A loss of power to the bus' lights may reduce the driver's ability to see other vehicles, pedestrians, or objects, as well as reduce the bus' visibility to other drivers or pedestrians, increasing the risk of crash.

Remedy: DTNA has notified the affected owners. Dealers will replace the circuit breaker, free of charge. The recall began on December 14, 2012. Owners may contact Thomas Built Buses Warranty Department at 1-366-889-4871.

NHTSA campaign record ↗
13V364000 · Equipment:Other:Labels | Fuel System, Diesel

Reported: 2013-08-15 (August 15, 2013) · Model years: 2013, 2014

Daimler Trucks North America (Daimler) is recalling certain model year 2013-2014 Saf-T-Liner (EF, EFX, and HDX) buses equipped with an auxiliary fuel pickup tube for use with an optional chassis coolant heater and manufactured January 1, 2012, through October 4, 2012. An information label affixed to the auxiliary heater fuel pickup tube may detach and fall off into the fuel tank, inhibiting fuel delivery to the engine.

Consequence: Insufficient fuel delivery may cause the engine to stumble, run erratically, or stall while driving, increasing the risk of a crash.

Remedy: Daimler will notify owners and dealers will inspect the tanks and auxiliary heater fuel pickup tubes for labels. Any labels will be removed, free of charge. The recall began on October 18, 2013. Owners may contact Daimler at 1-800-716-7466. Daimler's recall number is FL-643.

NHTSA campaign record ↗
13V365000 · Equipment:Other:Labels | Fuel System, Diesel:Storage:Tank Assembly

Reported: 2013-08-15 (August 15, 2013) · Model years: 2013, 2014

Daimler Trucks North America (Daimler) is recalling certain model year 2013-2014 Saf-T-Liner (EF, EFX, and HDX) buses equipped with an auxiliary fuel pickup tube for use with an optional chassis coolant heater and manufactured January 1, 2012, through October 4, 2012. An information label affixed to the auxiliary heater fuel pickup tube may detach and fall off into the fuel tank, inhibiting fuel delivery to the engine.

Consequence: Insufficient fuel delivery may cause the engine to stumble, run erratically, or stall while driving, increasing the risk of a crash.

Remedy: Daimler will notify owners and dealers will inspect the tanks and auxiliary heater fuel pickup tubes for labels. Any labels will be removed, free of charge. The recall began on October 15, 2013. Owners may contact Daimler at 1-800-716-7466. Daimler's recall number is FL-643.

NHTSA campaign record ↗
15V425000 · Structure:Body:Door

Reported: 2015-07-06 (July 6, 2015) · Model years: 2013

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2002-2004 Thomas Built Buses Saf-T-Liner ER, 2001-2005 Saf-T-Liner Conventional, 2002-2013 Saf-T-Liner MVP-EF, 2013 Saf-T-Liner EFX, 2001-2008 Saf-T-Liner FS65, 2005-2013 Saf-T-Liner C2, 2003-2013 Saf-T-Liner HDX, 2002-2003 Saf-T-Liner MVP-ER, 2002 Vista, and 2002-2003 TL-960 non-school buses. In the affected vehicles, the stem that connects the outside emergency door handle to the emergency door opening mechanism may corrode.

Consequence: If the stem corrodes, the door handle could detach from the emergency door opening mechanism, delaying the opening of the door and the evacuation of the bus. In the event of an emergency, this may increase the risk of injury to the bus occupants.

Remedy: DTNA will notify owners, and dealers will either replace the stems or protect them against corrosion, free of charge. An interim notice was mailed to owners on August 28, 2015. The recall began on December 24, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-685.

NHTSA campaign record ↗
15V432000 · Structure:Body:Door

Reported: 2015-07-07 (July 7, 2015) · Model years: 2013

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2002-2013 Thomas Built Buses Saf-T-Liner ER, 2001-2005 Saf-T-Liner Conventional, 2002-2013 Saf-T-Liner MVP-EF, 2013 Saf-T-Liner EFX, 2001-2008 Saf-T-Liner FS65, 2005-2013 Saf-T-Liner C2, 2003-2013 Saf-T-Liner HDX, 2002-2003 Saf-T-Liner MVP-ER, 2002 Vista, and 2002-2003 TL-960 school buses manufactured from February 5, 2001, through May 29, 2012. In the affected vehicles, the stem that connects the outside emergency door handle to the emergency door opening mechanism may corrode.

Consequence: If the stem corrodes, the door handle could detach from the emergency door opening mechanism, delaying the opening of the door and the evacuation of the bus. In the event of an emergency, this may increase the risk of injury to the bus occupants.

Remedy: DTNA will notify owners, and dealers will either replace the stems or protect them against corrosion, free of charge. Daimler issued an interim notification to owners on August 25, 2015. The recall began on December 24, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-685.

NHTSA campaign record ↗
13V639000 · Electrical System: Instrument Cluster/Panel

Reported: 2013-12-20 (December 20, 2013) · Model years: 2014, 2015

Daimler Trucks North America (DTNA) is recalling certain model year 2014-2015 Thomas Built Saf-T-Liner EFX school buses manufactured September 30, 2013, through November 15, 2013. In the affected vehicles, due to an incorrect calibration, the speedometer may display a speed lower than the vehicle is actually traveling.

Consequence: With the incorrect calibration, the driver may unknowingly exceed the posted speed limit, increasing the risk of a crash.

Remedy: DTNA will notify owners, and dealers will update the instrument cluster software to correct the calibration, free of charge. Owners may contact DTNA at 1-800-547-0712. DTNA's number for this recall is FL-658.

NHTSA campaign record ↗
17V313000 · Seats

Reported: 2017-05-11 (May 11, 2017) · Model years: 2014, 2015, 2016, 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The occupant seats may have been installed without under-rail washers, reducing their anchorage strength.

Consequence: Without under-rail washers, in the event of a crash, the seats may come loose, increasing the risk of injury.

Remedy: DTNA will notify owners, and dealers will inspect the seats and replace the mounting hardware, as necessary, free of charge. The recall began on June 28, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-737.

NHTSA campaign record ↗
18V192000 · Seats

Reported: 2018-03-26 (March 26, 2018) · Model years: 2014, 2015, 2016, 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.

Consequence: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy: DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 9, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.

NHTSA campaign record ↗
18V193000 · Seats

Reported: 2018-03-26 (March 26, 2018) · Model years: 2014, 2015, 2016, 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour transit buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.

Consequence: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy: DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 10, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.

NHTSA campaign record ↗
18V253000 · Seats

Reported: 2018-04-19 (April 19, 2018) · Model years: 2014, 2015, 2016, 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses equipped with S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.

Consequence: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy: DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued owners an interim notification on June 12, 2018. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.

NHTSA campaign record ↗
18V254000 · Seats

Reported: 2018-04-19 (April 19, 2018) · Model years: 2014, 2015, 2016, 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour transit buses, equipped with certain S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.

Consequence: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy: DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued an interim notification to owners on June 15, 20 18. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.

NHTSA campaign record ↗
19V712000 · Seats

Reported: 2019-10-04 (October 4, 2019) · Model years: 2014, 2015, 2016, 2017, 2018, 2019, 2020

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."

Consequence: 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.

NHTSA campaign record ↗
22V510000 · Seats:Mid/Rear Assembly | Seats

Reported: 2022-07-19 (July 19, 2022) · Model years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022

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.

Consequence: 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.

NHTSA campaign record ↗
16V629000 · Equipment Adaptive/Mobility

Reported: 2016-08-31 (August 31, 2016) · Model years: 2015, 2016, 2017

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2015-2017 Thomas Built Buses Safe-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour DRW school buses manufactured July 15, 2014, to July 21, 2016, and equipped with certain model S2005, S2010, S5005, S5010, S5505, and S5510 wheelchair lifts by Ricon. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Consequence: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

Remedy: DTNA will notify owners, and Ricon dealers will inspect the link arms for damage or for displaced bearings. The platform will be inspected for cracks. Any damaged parts will be replaced, free of charge. The recall began on October 10, 2016. Owners may contact DTNA customer service at 1-800-547-0712, or Ricon customer service at 1-800-322-2884 or by email at admin16E020@wabtec.com. DTNA's number for this recall is FL-716.

NHTSA campaign record ↗
15V843000 · Seats

Reported: 2015-12-15 (December 15, 2015) · Model years: 2016, 2017

Daimler Trucks North America, LLC (DTNA) is recalling certain model year 2016-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Minotour DRW and Saf-T-Liner EFX school buses manufactured August 19, 2014, to October 22, 2015, and equipped with certain Syntec S3B Track Mounted Seats in 30", 36", 39" and 45" widths. In the event of a severe rear-end collision, the seats may tilt rearward. As such, these seats fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) 222, "School Bus Passenger Seating and Crash Protection."

Consequence: In the event of a severe rear-end collision, the seats may tilt rearward and result in injuries to the passenger's knees and/or impede the exiting of the bus.

Remedy: DTNA will notify owners, and dealers will install a toe-clamp on the front feet of the S3B track mounted seats, free of charge. The recall began on January 21, 2016. Owners may contact DTNA customer service at 1-800-745-8000, or Syntec customer service at 1-800-547-0712. DTNA's number for this recall is FL-698.

NHTSA campaign record ↗
16V080000 · Other:School Bus Stop Arm Assembly

Reported: 2016-02-10 (February 10, 2016) · Model years: 2016, 2017

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour DRW school buses manufactured from May 1, 2015, through November 16, 2015, equipped with certain Transpec T6000, T6100, and T7000 series school bus stop arms. The affected stop arms have a reflective decal that may peel loose from the stop arm. As such, these stop arms fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 131, "School Bus Pedestrian Safety Devices."

Consequence: Without a reflective decal, the stop arms would have reduced visibility to other drivers, increasing the risk of a crash.

Remedy: DTNA will notify owners, and the stop arm blade assemblies will be replaced, free of charge. The recall began on April 11, 2016. Owners may contact DTNA customer service at 1-800-745-8000 or Transpec at 1-800-547-0712. DTNA's number for this recall is FL-700.

NHTSA campaign record ↗
17V729000 · Seat Belts

Reported: 2017-11-17 (November 17, 2017) · Model years: 2016, 2017

Daimler Trucks North America LLC (DTNA) is recalling certain 2016-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour SRW school buses, equipped with IMMI-brand 3-point lap and shoulder belts. Under load, the seat belt buckle mount rod can fracture. As such, these seats fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

Consequence: In the event of a crash, if the buckle mount rod fractures, the seat occupant may not be restrained, increasing their risk of injury.

Remedy: DTNA will notify owners, and dealers will replace the seat belt buckle rods, free of charge. DTNA issues owners an interim notification on December 11, 2017. The recall began on May 23, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-753.

NHTSA campaign record ↗
18V352000 · Service Brakes, Hydraulic:Foundation Components:Disc:Caliper

Reported: 2018-05-29 (May 29, 2018) · Model years: 2017, 2018, 2019

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.

Consequence: 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.

NHTSA campaign record ↗
18V409000 · Service Brakes, Air:Supply:Check Valve

Reported: 2018-06-15 (June 15, 2018) · Model years: 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner EFX school buses. The check valve for the air brake system may not be plumbed correctly which can cause the primary air system to not be isolated from the secondary air system.

Consequence: In the event of a rapid loss of air pressure in the secondary system, the incorrectly plumbed check valve can cause rapid air loss in both secondary and primary system, causing the parking brakes to activate suddenly. This will increase the risk of a crash.

Remedy: DTNA will notify owners, and dealers will inspect and repair the check valve as needed, free of charge. The recall began on August 12, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-774.

NHTSA campaign record ↗
18V410000 · Service Brakes, Air:Supply:Check Valve

Reported: 2018-06-15 (June 15, 2018) · Model years: 2017, 2018

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner EFX transit buses. The check valve for the air brake system may not be plumbed correctly which can cause the primary air system to not be isolated from the secondary air system.

Consequence: In the event of a rapid loss of air pressure in the secondary system, the incorrectly plumbed check valve can cause rapid air loss in both secondary and primary system, causing the parking brakes to activate suddenly. This will increase the risk of a crash.

Remedy: DTNA will notify owners, and dealers will inspect and repair the check valve as needed, free of charge. The recall began on August 12, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-774.

NHTSA campaign record ↗
19V444000 · Service Brakes, Air:Disc

Reported: 2019-06-11 (June 11, 2019) · Model years: 2017, 2018, 2019

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.

Consequence: 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.

NHTSA campaign record ↗
18V702000 · Service Brakes, Air:Disc:Caliper

Reported: 2018-10-05 (October 5, 2018) · Model years: 2018, 2019

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.

Consequence: 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.

NHTSA campaign record ↗
18V914000 · Suspension:Front:Control Arm | Steering:Linkages:Tie Rod Assembly | Steering

Reported: 2018-12-19 (December 19, 2018) · Model years: 2018, 2019

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.

Consequence: 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.

NHTSA campaign record ↗
19V550000 · Structure:Emergency:Escape/Egress/Exit

Reported: 2019-07-25 (July 25, 2019) · Model years: 2019, 2020

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.

Consequence: 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.

NHTSA campaign record ↗
20V126000 · Service Brakes, Air:Disc:Caliper

Reported: 2020-03-03 (March 3, 2020) · Model years: 2019, 2020

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.

Consequence: 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.

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24V555000 · Equipment:Other:Labels

Reported: 2024-07-24 (July 24, 2024) · Model years: 2019, 2020, 2021, 2022

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."

Consequence: 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.

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21V850000 · Electrical System:Alternator/Generator/Regulator

Reported: 2021-11-02 (November 2, 2021) · Model years: 2020, 2021, 2022

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Thomas Built EFX and HDX school buses. The nut for the power cable stud on the alternator may not have been tightened properly, which can cause a loose cable connection.

Consequence: A loose power cable connection may cause electrical arcing, which can increase the risk of a fire.

Remedy: Dealers will inspect the alternator power cable connection and tighten it if necessary, free of charge. Owner notification letters were mailed on December 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL904.

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22V153000 · Seats:Critical Fasteners

Reported: 2022-03-11 (March 11, 2022) · Model years: 2020, 2021, 2022, 2023

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: A seat with broken mounting bolts may not properly restrain an occupant in a crash, increasing their risk of injury.

Remedy: 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.

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21V017000 · Service Brakes, Hydraulic:Foundation Components:Disc:Caliper

Reported: 2021-01-20 (January 20, 2021) · Model years: 2021

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021 Thomas Built Buses Saf-T-Liner HDX and EFX school buses. On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.

Consequence: The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.

Remedy: DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge. The recall began March 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-873.

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21V255000 · Steering:Critical Fasteners | Steering:Linkages:Tie Rod Assembly

Reported: 2021-04-12 (April 12, 2021) · Model years: 2021, 2022

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, and Saf-T-Liner HDX school buses. The steering arm and tie rod bolts may have a defective seam that can fracture.

Consequence: A fractured bolt may cause a loss of steering, increasing the risk of a crash.

Remedy: DTNA will notify owners, and dealers will replace the tie rod arm bolts and steering arm, free of charge. The recall began on June 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-884.

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22V517000 · Structure:Emergency:Escape/Egress/Exit

Reported: 2022-07-20 (July 20, 2022) · Model years: 2023

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: An insufficient number of emergency exits can delay passengers from exiting the vehicle during an emergency, increasing their risk of injury.

Remedy: 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.

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23V259000 · Steering:Linkages:Tie Rod Assembly

Reported: 2023-04-07 (April 7, 2023) · Model years: 2023

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: A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.

Remedy: 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.

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26V086000 · Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings

Reported: 2026-02-13 (February 13, 2026) · Model years: 2023, 2024, 2025, 2026

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: Contact with hot heating coolant may burn occupants, increasing the risk of injury.

Remedy: 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.

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26V087000 · Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings

Reported: 2026-02-13 (February 13, 2026) · Model years: 2023, 2024, 2025

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: Contact with hot heating coolant may burn occupants, increasing the risk of injury.

Remedy: 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.

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24V392000 · Wheels:Hub

Reported: 2024-06-03 (June 3, 2024) · Model years: 2025

Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Thomas Built Buses Saf-T-Liner C2 and EFX school buses. The wheel hub fasteners may loosen and cause the wheel to detach, which can result in a loss of vehicle control.

Consequence: A loss of vehicle control increases the risk of a crash.

Remedy: Dealers will inspect and replace the hub nut retaining system, wheel end, and axle components, as necessary free of charge. Owner notification letters were mailed July 18, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is F1002.

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24V401000 · Steering:Linkages:Tie Rod Assembly

Reported: 2024-06-04 (June 4, 2024) · Model years: 2025

Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Thomas Built Buses Saf-T-Liner C2 and 2025 Thomas Built Buses Safe-T-Liner EFX school buses. The front axle tie rod ball joint studs may crack and break, which can result in tie rod separation.

Consequence: Tie rod separation can cause a sudden loss of steering control and increase the risk of a crash.

Remedy: Dealers will replace the tie rod assembly, free of charge. Owner notification letters were mailed July 25, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is D24R6.

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25V849000 · Equipment Adaptive/Mobility:Wheelchair Restraints/Securement:Latch/Anchor:

Reported: 2025-12-09 (December 9, 2025) · Model years: 2025

Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Thomas Built Buses Saf-T-Liner EFX, 2025-2027 Thomas Built Buses Minotour DRW, 2026 Thomas Built Buses Saf-T-Liner C2 Jouley, Thomas Built Buses HDX, and 2026-2027 Thomas Built Buses Saf-T-Liner C2 school buses equipped with certain QRT-Deluxe and QRT-Max wheelchair restraints. The wheel chair restraint retractor may not lock, preventing the wheelchair from being properly secured.

Consequence: An unsecured wheelchair can move during transit, increasing the risk of injury.

Remedy: Dealers will inspect and replace the retractors, as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1028.

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25V604000 · Steering:Critical Fasteners | Steering:Linkages:Tie Rod Assembly

Reported: 2025-09-11 (September 11, 2025) · Model years: 2026

Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2025-2026 Saf-T-Liner HDX, Saf-T-Liner C2, 2026 Saf-T-Liner EFX, and Saf-T-Liner C2 Jouley school buses. The tie rod castle nut and cotter pin may not be installed properly, which can result in a loss of vehicle steering control.

Consequence: A loss of vehicle steering control increases the risk of a crash.

Remedy: Dealers will inspect and replace the tie rod assembly, as necessary, free of charge. Owner notification letters were mailed November 10, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is D25R2.

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