No complaints are listed for the 2022 Thomas Built Buses SAF-T-Liner HDX. NHTSA's API and bulk file list none in this build.
Data build 2026-10-10.
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.
11 recalls. Showing the latest 10 of 11.
Date: 2024-07-24. Systems: EQUIPMENT.
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 (excerpt)
Consequence: Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
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: 2022-09-14. Systems: STRUCTURE.
Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2023 Thomas Built Saf-T-Liner HDX school buses. The rear exterior side-body 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 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 November 11, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall FL953.
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: 2022-04-22. Systems: ELECTRICAL SYSTEM.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2023 Thomas Built Bus HDX commercial buses. The positive battery cable may be routed improperly, allowing it to chafe against the transmission oil cooler hoses, which can cause an electrical short circuit.
Consequence: An electrical short circuit can increase the risk of a fire.
Remedy: Dealers will inspect and repair the cable routing, as necessary, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL929.
Do not drive: No. Park outside: No.
Date: 2022-04-22. Systems: ELECTRICAL SYSTEM.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2023 Thomas Built Bus HDX school buses. The positive battery cable may be routed improperly, allowing it to chafe against the transmission oil cooler hoses, which can cause an electrical short circuit.
Consequence: An electrical short circuit can increase the risk of a fire.
Remedy: Dealers will inspect and repair the cable routing, as necessary, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL928.
Do not drive: No. Park outside: No.
Date: 2021-11-02. Systems: ELECTRICAL SYSTEM.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2021-09-15. Systems: ENGINE AND ENGINE COOLING.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2022 Thomas Built Buses Saf-T-Liner HDX school buses. The fan drive pulley assembly bolts may be incorrect or improperly installed. Incorrect or improperly installed bolts may lead to a loose fan belt, resulting in a disabled bus.
Consequence: A disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury.
Remedy: DTNA will inspect and repair the fan drive pulley assembly mounting bolts as necessary, free of charge. Owner notification letters were mailed on November 12, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-902.
Do not drive: No. Park outside: No.
Date: 2021-06-17. Systems: SEATS.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2022 Thomas Built Saf-T-Liner HDX School Buses. These school buses may have been manufactured with an incorrect passenger seat configuration that does not provide the proper amount of seat back protection. As such, these school buses fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 222, "School (excerpt)
Consequence: In the event of a crash, the seats may not adequately protect the occupants, increasing the risk of injury. (excerpt)
Remedy: Dealers will replace the rear passenger seats, free of charge. No owner notification will be distributed, all units were repaired on August 12, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-892. (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-05-19. Systems: STEERING.
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Saf-T-Liner HDX School Buses and Saf-T-Liner C2 School Buses. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.
Consequence: Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.
Remedy: Dealers will replace the tie rod clamp bolts and nuts, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-888.
Do not drive: No. Park outside: No.
Manufacturer communications
62 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 14 |
|---|
| ENGINE | 12 |
|---|
| UNKNOWN OR OTHER | 8 |
|---|
| ENGINE AND ENGINE COOLING | 6 |
|---|
| EXTERIOR LIGHTING | 6 |
|---|
| WHEELS | 4 |
|---|
| ELECTRICAL SYSTEM | 2 |
|---|
| POWER TRAIN | 2 |
|---|
11035528
Date: 2026-07-06. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater
11031984
Date: 2026-04-23. Type: Other. Systems: ENGINE.
Service Solution for HDX DEF Header Service Replacement Additional Parts
11023661
Date: 2025-09-09. Type: Other. Systems: UNKNOWN OR OTHER.
My communications for DTNA Announces Extended Coverage Policy Updates
11022321
Date: 2025-08-07. Type: Other. Systems: ENGINE.
Service Solution for HDX DEF Header Service Replacement Additional Parts
11014787
Date: 2025-02-05. Type: Other. Systems: EXTERIOR LIGHTING.
Service Solution for HDX / EFX front lighting replacement
11013293
Date: 2025-01-31. Type: Emissions. Systems: ENGINE.
Emission Recall for DD8 EGR Monitor Software Reprogramming
11013294
Date: 2025-01-31. Type: Emissions. Systems: ENGINE.
Emission Recall for DD8 EGR Monitor Software Reprogramming
11013295
Date: 2025-01-31. Type: Emissions. Systems: ENGINE.
Emission Recall for DD8 EGR Monitor Software Reprogramming
11013214
Date: 2025-01-07. Type: Other. Systems: VISIBILITY/WIPER.
Service Solution for Wiper Module TBB 61201552 replacement
11011076
Date: 2024-11-11. Type: Warranty Program/Extension. Systems: ENGINE.
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates