Code P0A0D-350 combined with code C1259 causing hybrid system to shut down and engine not start

I posted about this in another thread here: P0A0D-350 High Voltage System Interlock | Page 2 | PriusChat
So someone in a different Prius forum stated they had a similar issue to mine, hybrid system shut down, engine wouldn’t start, dashboard looked the same. They took it in to get a diagnostic and got a code C1259 about their regenerative breaks not working. They had their car repaired the Intelligent Power Module (IPM) and it was covered under warranty. Am I missing a detail here somewhere that can lead to this being the issue? If I can pinpoint it to the IPM I can have it towed to Toyota have it fixed for free and that’ll be the end of it.

 

Yes there is which is what I’m hoping the issue is cause my car is eligible for the recall 2010 Prius, I called Toyota yesterday.

 

But if it turns out it isn’t the IPM then I have to pay for the towing fee, the $150 diagnostic, and the $3000+ for a new battery or whatever else the issue is

 

Very informative thanks man.

edit: lol what a coincidence immediately after i responded i checked out another tab i had open and first thing i read is this comment of yours from 2018:

"The two trouble codes you have listed are just codes that the brake/skid computer will report, if the computer that controls the hybrid drivetrain reports a problem to it. In other words, they don't really tell you anything on their own, except that the hybrid drive computer has something to tell you.

Probably those codes were retrieved by a scan tool that is only able to see information from certain computers like the engine and brakes, so it was able to read those codes from the brake computer, but didn't show you any of the hybrid codes that would tell you what's really going on.

It would be best to plug in a scan tool that can retrieve all the diagnostic info from all the computers in a Prius, and then the situation should become clear.

That can be done at a Toyota dealer, or by anyone using the Techstream software on a beater laptop; there are lots of threads in the forums here about getting that set up.

-Chap"

 

well last time i had a hybrid issue it was the battery that was bad and they were charging me $3000 to replace it so i replaced the bad modules myself from JWAP. im not saying thats what the issue is this time but i cant afford any repair atm from toyota

 

the safety plug is plugged in correctly. where can i find a diagram or tutorial on how to check the wiring harness? would i have to lift my car up and get in there or?

 

I fixed it I fixed that sonofabitch the orange safety plug connection is loose. I had made sure since the problem first arose that it was on correctly, push it in, lock it, slide to the right. Some wiring inside the plug is loose I was living in the desert out of my Prius for a month it must’ve come loose driving on those bumpy dirt roads. I had to really smack that bitch in there with the palm of my hand and then I heard some sparks. And when I turned it on the smart engine turned on AND the hybrid battery works too the dashboard is all clear no lights on it except the ready light. I feel ecstatic.