Just bought a used gen two [Prius](/topics-prius/). The p...


Just bought a used gen two [Prius](/topics-prius/). The previous owners said it was hybrid battery. I charged up 12 V battery seems Ok.car won’t start. Is there anything else I could check before I replace the hybrid battery M...

Just bought a used gen two [Prius](/topics-prius/). The previous owners said it was hybrid battery. I charged up 12 V battery seems Ok.car won’t start. Is there anything else I could check before I replace the hybrid battery Mechanic's Assistant: Does the battery look like it's leaking? And does it have a strong smell -- like sulfur? The hybrid battery does look like some cells have been replaced, but also like it’s been wet Mechanic's Assistant: What year is your Prius? 2005 Mechanic's Assistant: Are you fixing your Prius yourself? What have you tried so far? Ive charged up 12v battery, I’m in the process of checking all fuses, was going to clean out fan Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Nope, just wondering if there’s anything else I should check before I get a new hybrid battery

Automotive Expert
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Automotive Expert
Do you have a good scan tool we can connect and go over a few different items? If so we can check things out before deciding on the battery.

I have an obd2 scanner,but I can't extract codes cause when I put keys in and press power nothing happens
Automotive Expert
Ah, I see. That's a tough position to be in. The hybrid battery could definitely be faulty, but without a dealer level scan tool to see what's happening it would be very difficult to know for sure.If the battery has been wet, had moisture get inside, etc you are definitely looking at replacement however.

Yeah that's what I'm getting ready to do. Will the dealer still be able to scan with dead hybrid battery?
Automotive Expert
Their scan tool will be able to connect to the hybrid control module with the key off. Major benefit there

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