NHTSA vehicle safety data
2020 Trans Tech SST Recalls, Ratings & Complaints
The 2020 Trans Tech SST has 3 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Trans Tech dealer.
NHTSA recall and complaint data for the 2020 Trans Tech SST. Recall data is refreshed daily from NHTSA.
STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT
NHTSA #24V696000Reported September 18, 2024 · Trans Tech Bus
Potentially affected: 544 vehicles
Defect description
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."
Safety consequence
An emergency exit window that does not open can increase the risk of injury.
Manufacturer remedy
Dealers will inspect and repair the emergency exit windows as necessary, free of charge. Owner notification letters were mailed September 25, 2024. Owners may contact Trans Tech customer service at 1-845-988-2333.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
NHTSA #20V196000Reported April 3, 2020 · Trans Tech Bus
Potentially affected: 446 vehicles
Defect description
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."
Safety consequence
Without the seatbelt warning reminder, the driver may forget to fasten the seatbelt, increasing the risk of injury in the event of a crash.
Manufacturer remedy
Trans Tech will notify owners, and GM dealers will reprogram the instrument panel cluster, free of charge. The recall began May 6, 2020. Owners may contact Trans Tech customer service at 1-845-988-2333.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT
NHTSA #19V842000Reported November 22, 2019 · Transportation Collaborative, Inc.
Potentially affected: 9 vehicles
Defect description
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."
Safety consequence
If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.
Manufacturer remedy
Transportation Collaborative will notify owners, and Safe Fleet dealers will replace the outer handle, free of charge. The recall began January 13, 2020. Owners may contact Transportation Collaborative customer service at 1-845-988-0419.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Other Trans Tech SST model years
Check your 2020 Trans Tech SST VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Trans Tech SST at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Trans Tech VIN