2019 Tropos Able ST Recall: Motor controller firmware may not prevent the vehicle from exceeding 25 mph
NHTSA campaign 21V261000 · Electrical System · filed Apr 13, 2021 · verified Jul 30, 2026
The defect
Tropos Technologies, Inc. (Tropos) is recalling certain 2019 Tropos ABLE ST vehicles. The motor controller firmware may not prevent the vehicle from exceeding 25 mph. As such, these vehicles fail to comply with the requirements of the Federal Motor Vehicle Safety Standard number 500, "Low Speed Vehicles."
The risk
Driving over 25 mph in a low speed vehicle increases the risk of injury during a crash.
Check whether your specific vehicle is affected
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.
Check VIN on NHTSA →The fix — what to do
Tropos will notify owners, and dealers will update the motor controller firmware, free of charge. Owner notification letters were mailed beginning April 26, 2021. Owners may contact Tropos customer service at 1-408-571-6104. Tropos number for this recall is TRO-21-02.
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.
Affected vehicles
Related recalls
Other campaigns involving Tropos vehicles
Source: NHTSA recall database, campaign 21V261000 (manufacturer number TRO-21-02). Data last verified Jul 30, 2026.