NHTSA campaign 18V579000 · Toyota campaign J0T
Toyota Recall 18V-579: Engine Wire Harness May Chafe and Short
NHTSA recall 18V579000 (Toyota campaign J0T) was reported by Toyota Motor Engineering & Manufacturing on September 5, 2018, with 192,347 vehicles potentially affected (per NHTSA). NHTSA's record lists the Toyota Prius for model years 2016–2018. Owners were notified on October 30, 2018, 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 18V579000 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.
Toyota VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V579000 (also written 18V-579 or 18V579)
- Filed by
- Toyota Motor Engineering & Manufacturing
- Toyota campaign number
- J0T
- Report received
- Potentially affected
- 192,347 vehicles (per NHTSA)
- Component
- Electrical System — Wiring
- Owners notified
Repair completion: 90.37% (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 18V579000. 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.
Toyota
All Toyota recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 18V579000.
Defect description
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2016-2018 Toyota Prius vehicles. A portion of the engine wire harness connected to the hybrid Power Control Unit (PCU), could contact the cover at this connection and wear, causing an electrical short circuit.
Safety consequence
An electrical short can increase the risk of a fire.
Manufacturer remedy
Toyota will notify owners, and dealers will inspect the engine wire harness assembly and replace it if damage is found. A protective sleeve or protective tape will be included to prevent any future damage. These repairs will be performed free of charge. The recall began October 30, 2018. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0T.
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 18V579000
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.