Trans Tech SST recalls
Every NHTSA recall campaign filed since 2000 that names the Trans Tech SST, newest first. Last verified Jul 30, 2026.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
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Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
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- Sep 18, 2024Crash risk2018–2021 Trans Tech CST, 2018–2021 Trans Tech Cstflr, 2018–2021 Trans Tech SST and 1 other model — Structure
Trans Tech Bus (Trans Tech) is recalling certain 2018-2021 SST, CST, SSTFLR and CSTFLR school buses. In the event of a rollover, the emergency exit windows may not open. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 220, "School Bus Rollover Protection."
24V696000 · 544 units · Trans Tech Bus
- Apr 3, 2020Crash risk2020 Trans Tech Roadstar, 2020 Trans Tech SST, 2020 Trans Tech ST Aero — Electrical System
Trans Tech Bus (Trans Tech) is recalling certain 2020 Roadstar, ST Aero and SST buses built on 2019 Chevrolet Express cutaway chassis. The specific models are AC139SSSA409,AC139SSSP500, CC139DMSA409, CC139DMSA500, CC139DMSP500, CC159DMSA509, CC159DMSA600,EC139DBSP400, SC139DSFP500, SC139DSSA409, SC139DSSA500, SC139DSSP500, SC159DSFP600, SC159DSSA509, SC159DSSA600, SC159DSSA603, SC159DSSP600, and SC177DSSA603. The seatbelt-unfastened warning light will not illuminate for approximately five seconds after the ignition is moved to the "on" or "start" position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
20V196000 · 446 units · Trans Tech Bus
- Nov 22, 2019Crash risk2019–2020 Trans Tech CST, 2019–2020 Trans Tech SST — Structure
Transportation Collaborative, Inc. (Transportation Collaborative) is recalling certain 2019-2020 TransTech CST and SST school buses equipped with Safe Fleet Prolo hatches. Due to a manufacturing issue, the roof hatch external handle may unexpectedly break under reasonable use. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 217, "Bus Emergency Exits and Window Retention and Release."
19V842000 · 9 units · Transportation Collaborative, Inc.
- Oct 12, 2018Crash risk2011–2018 Trans Tech SST, 2011–2018 Trans Tech ST Aero — Seats
Transportation Collaborative, Inc. (Transportation Collaborative) is recalling certain 2011-2018 Transtech Bus SST, SST Flat Floor and ST Aero school buses, equipped with CE White/HSM SB11-26" and SB11-30" series, standard, unbelted, school bus seats, or SB11-30" series school bus seats with lap belts only. The foam in the knee impact area of the lower seat back may not absorb enough impact in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."
18V719000 · 877 units · Transportation Collaborative, Inc.
- Jun 26, 2017Fire risk2012–2017 Trans Tech CST, 2012–2017 Trans Tech Horizon, 2012–2017 Trans Tech Roadstar and 2 other models — Equipment
Transportation Collaborative, Inc. (Transportation Collaborative) is recalling certain 2012-2017 Transtech Bus ST Aero, SST, CST, Horizon, and RoadStar transit buses equipped with Bus-Air air conditioning systems. These air conditioning systems use a 30AMP in-line fuse that may short against the screw that secures the fuse holder.
17V399000 · 1K units · Transportation Collaborative, Inc.
- Mar 6, 2012Crash risk2011–2012 Trans Tech SST — Seat Belts
TRANSPORTATION COLLABORATIVE, INC. (TCI) IS RECALLING CERTAIN MODEL YEAR 2011 AND 2012 TRANS TECH MODEL SST SCHOOL BUSES MANUFACTURED OF FORD E350 AND E450 ECONOLINE CHASSIS. THE FIBERGLASS INSTALLED FAILED TO MEET DESIGN SPECIFICATIONS, CAUSING THE INSUFFICIENT TORQUE VALVES AT THE UPPER TORSO MOUNTING POINT. AS SUCH, THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES."
12V090000 · 11 units · TRANS TECH BUS