AI Damage2024 Thomas Built Buses SAF-T-Liner EFX: common problems
The maker issued 16 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 16
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 7 |
| Electrical system | 0 | 0 | 1 |
| Exterior lighting | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Visibility | 0 | 0 | 1 |
| Other | 0 | 0 | 5 |
Comparison
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater
- Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
- Service Solution for Timer relay TBB 202400 replacement
- Service Solution for EFX Shock Mount Frame Rail Crack Repair
- My communications for DTNA Announces Extended Coverage Policy Updates
- Service Solution for Floor Covering Bubbles
- Service Solution for HDX / EFX front lighting replacement
- Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair…
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test…
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- Fuel Injector Cleaner Updated Procedure
NHTSA lists 16 bulletins for this year; the 12 newest are shown here.
Other years of this model
- SAF-T-Liner EFX 2016103 sources
- SAF-T-Liner EFX 2017105 sources
- SAF-T-Liner EFX 2018102 sources
- SAF-T-Liner EFX 201946 sources
- SAF-T-Liner EFX 202051 sources
- SAF-T-Liner EFX 202152 sources
- SAF-T-Liner EFX 202254 sources
- SAF-T-Liner EFX 202322 sources
- SAF-T-Liner EFX 202515 sources
- SAF-T-Liner EFX 20266 sources
Questions and answers
What are the most common problems with the 2024 Thomas Built Buses SAF-T-Liner EFX?
There are no owner complaints in the NHTSA data for this year; the data comes from 16 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2024 Thomas Built Buses SAF-T-Liner EFX?
NHTSA lists 16 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2024 Thomas Built Buses SAF-T-Liner EFX from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2024 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.