By year
Owner complaints and recall campaigns about Trans Tech vehicles
Owner complaints filed with NHTSA, 2010 to 2026. 2026 runs through October.
Source: NHTSA ODI complaints and recalls files. Complaints are not verified by NHTSA.
The complete NHTSA record for Trans Tech vehicles: owner complaints, recall campaigns, defect investigations and manufacturer communications, for every model and model year on file.
Most Trans Tech recalls are filed by Trans Tech Bus, part of Trans Tech.
Owner complaints filed with NHTSA, 2010 to 2026. 2026 runs through October.
Share of all owner complaints on file, by component.
Every Trans Tech model with complaints or recalls on file, by complaints. Counts are not rates: NHTSA publishes no sales volumes.
| Model | Model years | Complaints | Severity index | Recalls | Investigations |
|---|---|---|---|---|---|
| SST | 2011 to 2021 | 0 | None | 23 | 0 |
| Roadstar | 2007 to 2020 | 0 | None | 21 | 0 |
| ST Aero | 2011 to 2020 | 0 | None | 15 | 0 |
| CST | 2012 to 2021 | 0 | None | 14 | 0 |
| Student Safety Transport | 2007 to 2015 | 0 | None | 12 | 0 |
| DW5+9159FRL | 2008 to 2010 | 0 | None | 7 | 0 |
| Horizon | 2011 to 2017 | 0 | None | 7 | 0 |
| Student Transporter Aero | 2008 to 2014 | 0 | None | 7 | 0 |
| DW6159FRL | 2008 to 2010 | 0 | None | 6 | 0 |
| SC139DSSA409 | 2011 to 2014 | 0 | None | 5 | 0 |
| SC159DSFP600 | 2011 to 2014 | 0 | None | 5 | 0 |
| STH4 | 2009 to 2011 | 0 | None | 5 | 0 |
| AC139SSSA409 | 2011 to 2014 | 0 | None | 4 | 0 |
| Cstflr | 2018 to 2021 | 0 | None | 4 | 0 |
| DW6158FRL | 2008 to 2010 | 0 | None | 4 | 0 |
| School BUS | 2008 to 2009 | 0 | None | 4 | 0 |
| Sstflr | 2018 to 2021 | 0 | None | 4 | 0 |
| ST4 | 2009 to 2011 | 0 | None | 4 | 0 |
| CC159DMSA600 | 2012 to 2014 | 0 | None | 3 | 0 |
| DW4+9139 | 2009 to 2010 | 0 | None | 3 | 0 |
| DW5139 | 2009 to 2010 | 0 | None | 3 | 0 |
| DW6159 | 2009 to 2010 | 0 | None | 3 | 0 |
| DW8195FRL | 2009 to 2010 | 0 | None | 3 | 0 |
| Mfsab | 2007 to 2009 | 0 | None | 3 | 0 |
| RC139DSSP500 | 2011 to 2014 | 0 | None | 3 | 0 |
| RONDAK4F+9 | 2009 | 0 | None | 3 | 0 |
| SC139DSSA500 | 2011 to 2013 | 0 | None | 3 | 0 |
| SC159DSSA509 | 2011 to 2013 | 0 | None | 3 | 0 |
| SC159DSSA600 | 2011 to 2014 | 0 | None | 3 | 0 |
| ST5 | 2009 to 2010 | 0 | None | 3 | 0 |
| STH4+9 | 2009 to 2010 | 0 | None | 3 | 0 |
| AE138SSSA409 | 2012 to 2013 | 0 | None | 2 | 0 |
| DW5+9195 | 2009 to 2010 | 0 | None | 2 | 0 |
| DW5139FRL | 2010 to 2011 | 0 | None | 2 | 0 |
| DW5159FRL | 2009 to 2010 | 0 | None | 2 | 0 |
| DW5193FRL | 2009 to 2010 | 0 | None | 2 | 0 |
| DW6159FRLSST | 2011 | 0 | None | 2 | 0 |
| DW6159SST | 2011 | 0 | None | 2 | 0 |
| DWF6158FRL | 2011 | 0 | None | 2 | 0 |
| Q86-5 | 2008 | 0 | None | 2 | 0 |
| SC139DSFP500 | 2013 | 0 | None | 2 | 0 |
| SC159DSSP600 | 2012 to 2013 | 0 | None | 2 | 0 |
| SE138DSSA419 | 2011 to 2012 | 0 | None | 2 | 0 |
| SST 30 PAK | 2009 to 2010 | 0 | None | 2 | 0 |
| STH4139 | 2011 | 0 | None | 2 | 0 |
| STH5 | 2008 | 0 | None | 2 | 0 |
| STH5RL | 2009 to 2010 | 0 | None | 2 | 0 |
| AC139SSSA400 | 2013 | 0 | None | 1 | 0 |
| AG139SSSP500 | 2011 | 0 | None | 1 | 0 |
| DDW5+9159FRLSST | 2012 | 0 | None | 1 | 0 |
| DW4+9139SST | 2011 | 0 | None | 1 | 0 |
| DW49139SST | 2011 | 0 | None | 1 | 0 |
| DW5+9159 | 2010 | 0 | None | 1 | 0 |
| DW5+9159CST | 2011 | 0 | None | 1 | 0 |
| DW5+9159FRLSST | 2011 | 0 | None | 1 | 0 |
| DW5+9159SST | 2011 | 0 | None | 1 | 0 |
| DW59159FRLSST | 2011 | 0 | None | 1 | 0 |
| DW6+9166 | 2008 | 0 | None | 1 | 0 |
| DW6159-SST | 2010 | 0 | None | 1 | 0 |
| DW6159RL_SST | 2009 | 0 | None | 1 | 0 |