What is the toyota prius code c2318?

The Toyota Prius c2318 error code describes a low voltage or power supply deficit in the vehicle. Causes associated with this fault include a bad auxiliary battery, IGCT relay, HEV fuse, or an auxiliary battery short or wiring harness failure. The mechanic will examine the Prius for poor connector pins, wiring and electrical connections. Repair could result in having the battery replaced. They generally retail for $250-$300 without installation included. Diagnosing the error itself might take an hour of labor and cost between $75-$100. The owner may notice the "check engine" or ABS brake light warning illuminated. At some point cranking the engine may be compromised as well.