No complaints are listed for the 2012 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.
4 recalls.
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: 2015-09-04. Systems: EQUIPMENT ADAPTIVE/MOBILITY.
Defect: 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 (excerpt)
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. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2015-09-04. Systems: EQUIPMENT ADAPTIVE/MOBILITY.
Defect: 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 pi (excerpt)
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. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2013-10-30. Systems: SEATS.
Defect: 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.
Do not drive: No. Park outside: No.
Manufacturer communications
117 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 70 |
|---|
| ENGINE | 9 |
|---|
| ENGINE AND ENGINE COOLING | 8 |
|---|
| FUEL SYSTEM, GASOLINE | 7 |
|---|
| ELECTRICAL SYSTEM | 6 |
|---|
| FUEL SYSTEM, OTHER | 6 |
|---|
| SEATS | 6 |
|---|
| STRUCTURE | 5 |
|---|
11031983
Date: 2026-04-24. Type: Other. Systems: VISIBILITY/WIPER.
Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
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.
10193738
Date: 2020-07-22. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT, EQUIPMENT ADAPTIVE/MOBILITY.
Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes
10177653
Date: 2020-07-20. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING, EQUIPMENT.
Warranty Information Letter for Detroit and TBB Parchment Format Update. In the continuing effort to standardize across brands, DTNA is pleased to announce that Detroit Diesel Corporation (Detroit) and Thomas Built Bus (TBB) parchments will be transitioned to the format used for Freightliner, Freigh
10193736
Date: 2020-07-17. Type: Service Bulletin/Repair Instructions. Systems: SEATS.
Thomas Built Buses Product Awareness Bulletin on National DriverA?A A s Seat Update
10177648
Date: 2020-07-10. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces. The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and disinfecting procedures fully and consistently. Ensure there
10174376
Date: 2020-04-27. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
Warranty Information Letter for Warranty Training Online. DTNA is pleased to announce the release of new Warranty-related training videos. The videos provide Warranty content in short instructional videos that are available on demand through the AftermarkeTV Video Channel icon on the Aftermarket Res