RECALLS — MAKE · MODEL · YEAR
2020 Thomas Built SAF-T-Liner HDX School BUS recalls
8 safety recall campaigns have been filed for the 2020 Thomas Built SAF-T-Liner HDX School BUS with Transport Canada and the U.S. NHTSA. Here is what both agencies say.
- Canadian recalls
- 08
- U.S. recalls
- 00
- Total campaigns
- 08
Transport Canada recalls
08- Label#2024423
1,382 units affected
Issue: On certain school buses, the letters on the instruction labels for the emergency exits are too small. This could make it difficult to read the label. Canadian regulations require a minimum size for the letters. Safety Risk: Instructions for an emergency exit that are difficult to read could delay persons from exiting the bus in an emergency and increase the risk of injury. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your school bus to a DTNA authorized service facility to increase the height of the letters on the instruction labels.
- Seats And Restraints#2022680
51 units affected
Issue: On certain school buses, the restraining barrier between the entrance door and the first seat may not meet the energy absorption requirements of Canadian regulations. Safety Risk: A barrier that does not properly absorb energy could increase the risk of injury to passengers in a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development.
- Structure#2022577
284 units affected
Issue: Certain school buses may not meet Canadian regulations for roof panel joint strength. Safety Risk: A roof joint that is not strong enough could increase the risk of injury in a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your bus to a DTNA authorized service facility to add additional fasteners to the roof lap joints.
- Structure#2022516
14 units affected
Issue: On certain school buses, the exterior side body panel(s) may not have been attached properly. As a result, the buses may not meet the joint strength requirements of Canadian regulations. Safety Risk: A body joint that is not strong enough could increase the risk of injury in a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your bus to a DTNA authorized service facility to add additional fasteners to the rear exterior side body panel joints.
- Electrical#2022207
17 units affected
Issue: On certain school buses, the positive battery cable could be damaged by contact with the transmission oil cooler hose. If this happens, the battery cable could short circuit. Safety Risk: A short circuit could create a fire risk. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your school bus to a DTNA authorized service facility to inspect and re-route the positive battery cable.
- Electrical#2021669
20 units affected
Issue: On certain school buses, the alternator power cable connection may not have been properly tightened. As a result, the power cable could loosen or separate from the alternator. If this happens, there could be electrical arcing (sparks). Safety Risk: Electrical arcing could damage surrounding material and increase the risk of a fire. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your bus to a DTNA authorized service facility to inspect and tighten the alternator power cable connection, as necessary.
- Seats And Restraints#2019641
64 units affected
This recall was replaced by Transport Canada recall number 2022-680. Issue: On certain school buses, the restraining barrier between the entrance door and the first seat may not meet the energy absorption requirements of Canadian regulations. Safety Risk: A barrier that does not properly absorb energy could increase the risk of injury to passengers in a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development.
- Seats And Restraints#2019497
4,355 units affected
Issue: This recall affects certain school buses equipped with SynTec S3B and/or S3C passenger seats. On some seats, the protective foam in certain areas of the seatback may not meet the knee impact requirements of Canadian regulations. Safety Risk: A seatback that does not have proper knee impact protection could increase the risk of injury to occupants in a crash. Corrective Actions: The company will notify owners by mail and instruct them to take their vehicle to a Daimler Trucks of North America authorized service facility to install additional protective material in the seatbacks.
Canadian data updated August 24, 2026
U.S. NHTSA recalls
00No recalls found for this make, model, and year.
Does this recall apply to my vehicle?
Matched by make, model, and model year. Many recalls affect only specific VIN ranges — confirm with your dealer using your full VIN.
What to do
Recall repairs are free at a franchised dealer in both countries. To confirm a recall applies to your specific vehicle, or to book the work, contact your manufacturer or dealer with your full VIN, or use the official channel:
- NHTSA recall lookup (search by VIN) — U.S. National Highway Traffic Safety Administration
- Defects and recalls database — Transport Canada
Check a 2020 Thomas Built SAF-T-Liner HDX School BUS VIN
A VIN decode confirms your vehicle's exact model year, trim and assembly plant, then runs this same recall check against it.