No complaints are listed for the 2015 Thomas Built Buses SAF-T-Liner HDX. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as THOMAS BUILT BUSES SAF-T-LINER HDX.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
31 recalls. Showing the latest 10 of 31.
Date: 2022-10-12. Systems: STRUCTURE.
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."
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.
Do not drive: No. Park outside: No.
Date: 2022-08-19. Systems: SEATS.
Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2011-2021 Thomas Built Saf-T Liner HDX school buses. The forward seat barriers may not provide sufficient protection to passengers. 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: Occupants may collide with the front seat barriers with more force than intended during a crash, increasing the risk of injury.
Remedy: Dealers will install a spacer between the seat rail and the seat barrier, free of charge. Owner notification letters were mailed August 25, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL843. This recall replaces NHTSA recall 19V899.
Do not drive: No. Park outside: No.
Date: 2022-07-19. Systems: SEATS.
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.
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.
Do not drive: No. Park outside: No.
Date: 2020-05-05. Systems: EQUIPMENT, STRUCTURE.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner HDX school buses. The lettering on the instruction label for the rear emergency exit window may be too small. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 217, "Bus Emergency Exits and Window Retention and Release."
Consequence: Small lettering may be difficult for occupants to read, delaying the reaction time to open the exit, increasing the risk of injury.
Remedy: DTNA will notify owners and mail a new label to attach to the exit window by first class mail, free of charge. DTNA issued owners an interim notification on June 17, 2020. The recall began September 10, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-849.
Do not drive: No. Park outside: No.
Date: 2019-10-04. Systems: SEATS.
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 v (excerpt)
Consequence: The lack of impact absorption increases the risk of injury in the event of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2018-08-23. Systems: EQUIPMENT ADAPTIVE/MOBILITY.
Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2015-2019 Thomas Built Buses Saf-T-Liner C2 and Saf-T-Liner HDX school buses, equipped with certain S-Series and K-Series Titanium Wheelchair Lifts, models K200, K201, K550, K551, S200, S2201, S550 and S551. The wheelchair lift positioning input cam may fail while the lift is in use, allowing the platform to travel higher than the vehic (excerpt)
Consequence: If the wheelchair lift platform stops above the vehicle floor, the wheelchair user can tip inwards toward the vehicle when exiting the lift, increasing their risk of injury. (excerpt)
Remedy: Dealers will replace the injection molded cam with an aluminum machined cam, free of charge. The recall began December 6, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL785. (excerpt)
Do not drive: No. Park outside: No.
Date: 2018-04-19. Systems: SEATS.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2018-04-19. Systems: SEATS.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2018-03-26. Systems: SEATS.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2018-03-26. Systems: SEATS.
Defect: 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.
Do not drive: No. Park outside: No.
Manufacturer communications
157 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 91 |
|---|
| ENGINE AND ENGINE COOLING | 21 |
|---|
| ELECTRICAL SYSTEM | 11 |
|---|
| ENGINE | 10 |
|---|
| SEATS | 10 |
|---|
| FUEL SYSTEM, GASOLINE | 7 |
|---|
| FUEL SYSTEM, OTHER | 6 |
|---|
| WHEELS | 5 |
|---|
11031984
Date: 2026-04-23. Type: Other. Systems: ENGINE.
Service Solution for HDX DEF Header Service Replacement Additional Parts
11013214
Date: 2025-01-07. Type: Other. Systems: VISIBILITY/WIPER.
Service Solution for Wiper Module TBB 61201552 replacement
11010150
Date: 2024-10-03. Type: Other. Systems: VISIBILITY/WIPER.
Service Solution for Wiper Module TBB 61201552 replacement
10189319
Date: 2021-03-22. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
10187529
Date: 2021-02-15. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
Important Campaign Information Letter for Dealer Travel for Campaign Performance A?A A TBB.
10187440
Date: 2021-02-08. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimize processes. Revisions are in blue font.
10184029
Date: 2020-12-08. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN, STEERING.
Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include
10183988
Date: 2020-12-07. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT, EQUIPMENT ADAPTIVE/MOBILITY, POWER TRAIN, STEERING.
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, ste
10193743
Date: 2020-10-21. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
Thomas Built Buses Product Awareness Bulletin on Lettering Changes - Notification
10180350
Date: 2020-09-22. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT, STEERING.
Tech Talk discussion about power steering fluid.