No complaints are listed for the 2025 Thomas Built Buses SAF-T-Liner EFX. 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 EFX.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
5 recalls.
Date: 2026-02-13. Systems: ENGINE AND ENGINE COOLING.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2026-02-13. Systems: ENGINE AND ENGINE COOLING.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2025-12-09. Systems: EQUIPMENT ADAPTIVE/MOBILITY.
Defect: 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, pre (excerpt)
Consequence: An unsecured wheelchair can move during transit, increasing the risk of injury. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2024-06-04. Systems: STEERING.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2024-06-03. Systems: WHEELS.
Defect: 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.
Do not drive: No. Park outside: No.
Manufacturer communications
15 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE | 7 |
|---|
| UNKNOWN OR OTHER | 3 |
|---|
| ELECTRICAL SYSTEM | 1 |
|---|
| EXTERIOR LIGHTING | 1 |
|---|
| FUEL/PROPULSION SYSTEM | 1 |
|---|
| STEERING | 1 |
|---|
| VISIBILITY/WIPER | 1 |
|---|
11031983
Date: 2026-04-24. Type: Other. Systems: VISIBILITY/WIPER.
Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
11030622
Date: 2026-03-20. Type: Other. Systems: ELECTRICAL SYSTEM.
Service Solution for Timer relay TBB 202400 replacement
11029514
Date: 2026-02-10. Type: Other. Systems: FUEL/PROPULSION SYSTEM.
My Communications for RAI RK6166302 Informational Bulletin
11028074
Date: 2026-01-26. Type: Other. Systems: UNKNOWN OR OTHER.
Service Solution for EFX Shock Mount Frame Rail Crack Repair
11023661
Date: 2025-09-09. Type: Other. Systems: UNKNOWN OR OTHER.
My communications for DTNA Announces Extended Coverage Policy Updates
11019796
Date: 2025-06-17. Type: Other. Systems: UNKNOWN OR OTHER.
Service Solution for Floor Covering Bubbles
11014787
Date: 2025-02-05. Type: Other. Systems: EXTERIOR LIGHTING.
Service Solution for HDX / EFX front lighting replacement
11011106
Date: 2024-11-20. Type: Other. Systems: STEERING.
Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122
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
11010186
Date: 2024-10-17. Type: Other. Systems: ENGINE.
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.