NHTSA campaign 20V640000 · Zero campaign SV-ZMC-021-019
Zero Recall 20V-640: DC Converter Has Insufficient Power Output
NHTSA recall 20V640000 (Zero campaign SV-ZMC-021-019) was reported by Zero Motorcycles Inc. on October 15, 2020, with 64 vehicles potentially affected (per NHTSA). NHTSA's record lists the Zero DS, Zero DSR, Zero FX and more for the 2021 model year. Owners were notified on October 26, 2020, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 20V640000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 20V640000 (also written 20V-640 or 20V640)
- Filed by
- Zero Motorcycles Inc.
- Zero campaign number
- SV-ZMC-021-019
- Report received
- Potentially affected
- 64 vehicles (per NHTSA)
- Component
- Electrical System — Propulsion System — Dc/Dc Converter
- Owners notified
Repair completion: 96.88% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 20V640000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 20V640000.
Defect description
Zero Motorcycle Inc. (Zero) is recalling certain 2021 SR, S, DSR, DS, FX, and FXS motorcycles. The DC-DC converter has an insufficient power output margin to operate the anti-lock braking system (ABS), instruments, lights, indicators, and any accessories that are connected to the accessory outlet at once.
Safety consequence
The DC-DC converter can shut off when its power capacity is exceeded, shutting off the ABS, instruments, and lights, increasing the risk of a crash.
Manufacturer remedy
Zero will notify owners, and dealers will replace the DC-DC converter, free of charge. The recall began October 26, 2020. Owners may contact Zero customer service at 1-888-841-8085. Zero's number for this recall is SV-ZMC-021-019.
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.
Sources
Official NHTSA notice for recall 20V640000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.