Won't Start or Broken Down?

Car won't start, won't move, or died on the road? Symptom-first guides to figure out what's wrong before you call a tow.

Toyota Prius P0A93 Code Explained

Short version: P0A93 means Inverter “A” Cooling System Performance. Your Prius runs a separate cooling loop just for the inverter, the power electronics that drive...

Why Your Prius or Toyota Hybrid Won't Start: The 12V Battery Explained

Short version: When a Prius or Toyota hybrid won’t start, throws a wall of warning lights, or won’t detect the key fob, it’s almost always...

2008 Toyota Prius P0A0F P3193: Wouldn't Move

Short version: A 2008 Prius stopped moving on Highway 101 with warning lights everywhere and codes P0A0F and P3193 — it had run out of...

2011 Prius Won't Detect the Key Fob: Two Shops, Two Locksmiths, and the Real Fix

Short version: A 2011 Prius wouldn’t detect either key fob after two shops and two locksmiths tried everything from a new fob to a $600...

Prius keyfob not detected: how an aftermarket security system killed the car

Short version: A 2011 Prius came in completely dead, keyfob not detected, after a repair shop and a locksmith had both struck out. An aftermarket...

2007 Prius won't start after mobile battery replacement: it was contaminated fuel

Short version: A 2007 Prius died while driving, and a mobile company replaced the high-voltage battery — but the car still wouldn’t start. The real...

P0A0F — Engine Failed to Start

Short version: P0A0F means your hybrid detected that the gas engine tried to start and didn’t. It’s a generic hybrid trouble code, so on its...

How to Jump Start a Prius (Step-by-Step, All Generations)

Short version: A Prius that won’t start usually needs its small 12-volt battery jumped, not the big hybrid battery. On 2004–2015 cars, connect the red...