RoadVitals

2020 Thomas Built Buses Saf-T-Liner Hdx

Recalls, owner-reported complaints, investigations and safety data

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
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Safety recallsA safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
18
Latest Jul 24, 2024
InvestigationsNHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
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Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
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Overview

Our database contains no NHTSA owner-reported complaints for the 2020 Thomas Built Buses Saf-T-Liner Hdx. 18 safety recalls have been issued covering this model year; and 72 manufacturer communications are on file.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Safety recalls

18 campaigns cover this model year

View all 18

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.

Check a VIN on NHTSA.gov
24V555000

EQUIPMENT:OTHER:LABELS

Jul 24, 2024
27,494 units potentially affected
The 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 number 217, "Bus Emergency Exits and Window Retention and Release."
The risk: Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury.
The 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.
Daimler Trucks North America, LLCManufacturer number FL918View on NHTSA.gov
22V762000

STRUCTURE:BODY:ROOF AND PILLARS

Oct 12, 2022
17,613 units potentially affected
The 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."
The risk: A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
The 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.
Daimler Trucks North America, LLCManufacturer number FL957View on NHTSA.gov
22V688000

STRUCTURE:BODY

Sep 14, 2022
1,259 units potentially affected
The 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."
The risk: A school bus panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
The 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.
Daimler Trucks North America, LLCManufacturer number FL953View on NHTSA.gov

Recent owner complaints

Reports submitted to NHTSA, shown in the owner's own words

No owner complaints recorded for this model year

Either none have been filed with NHTSA, or this vehicle is too new for reports to have accumulated.

Manufacturer communications

A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.

TSB-54-029-FTL

Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater

SS 306-TBB

ENGINE

Service Solution for HDX DEF Header Service Replacement Additional Parts

SS306-TBB

ENGINE

Service Solution for HDX DEF Header Service Replacement Additional Parts

SS288-TBB

EXTERIOR LIGHTING

Service Solution for HDX / EFX front lighting replacement

SS293-TBB

VISIBILITY/WIPER

Service Solution for Wiper Module TBB 61201552 replacement

WI24-019

ENGINE

Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates

Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.

Compare model years

Complaint and recall counts across every year of this model

Thomas Built Buses Saf-T-Liner Hdx by model year
YearComplaintsRecallsInvestigationsIssue Index
2026030—
2025030—
2024020—
2023080—
20220110—
20210160—
2020Viewing0180—
20191210—
20180260—
20170320—
20160290—
20150310—
20140300—
20130230—
20120190—
20110231—
20100161—
20091141—
20080141—
20070101—
2006191—
2005051—
2004251—
2003051—
2002010—
2001000—

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.