What the source says
The documented condition
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.
Consequence identified by NHTSA
An electrical short can increase the risk of a fire.
Campaign 18V579000; report received 2018-09-05. Source checked 2026-10-18.
Source component: ELECTRICAL SYSTEM:WIRING
Compare the pattern
Symptoms and vehicle scope
Condition described by NHTSA
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.
Vehicles and limits
- NHTSA model names: PRIUS. Model years: 2016, 2017, 2018.
- NHTSA campaign 18V579000
- The complete campaign lists 192,347 potentially affected units across all listed vehicles.
- A make, model and year match does not establish VIN eligibility.
Manufacturer position
What the official procedure directs
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.
Mileage context
Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.
Original evidence
Open the documents behind this record.
NHTSA safety recall · 18V579000 · 2018-09-05
NHTSA campaign 18V579000
Official component, defect, consequence and remedy; checked 2026-10-18.
Repair paths and safe checks
Match the action to the evidence.
Official recall 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.
Confirm VIN eligibility and current remedy instructions with the manufacturer.
Check the complete VIN
Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.
The model-year list is not proof that an individual vehicle is affected.
Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.
How we check a problem · All records for the 2018 Toyota Prius