Toyota Prius: Common Problems, Fault Codes & Repairs Everything for the Toyota Prius in one place — its common problems and reliability, the fault codes owners see most, and the tools to diagnose them. Toyota Prius specs & capacities Toyota Prius — Fuse box location & guideToyota Prius — Oil capacity & typeToyota Prius — Tire pressureToyota Prius — Bolt pattern & wheel sizes Recommended tools Automotive MultimeterCompression TesterBattery & Charging System Tester Read your code: OBD-II scanners →