The problem
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.
The risk
An electrical short can increase the risk of a fire.
The fix
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.
Recall details
| NHTSA campaign | 18V-579 (18V579000) |
|---|---|
| Manufacturer number | J0T |
| Manufacturer | Toyota Motor Corporation |
| Component | Electrical system › Wiring |
| Report date | September 5, 2018 |
| Owners notified | October 30, 2018 |
| Vehicles affected | 192,347 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the electrical system
Frequently asked questions
Is the recall 18V-579 repair free?
Yes. Toyota dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 192,347 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.