Crazy shenanigans at the dealership. Input anyone?

The inverter failed probably from coolant being missing, or too much air in the coolant, or they test drove it with the first pump which wasn't working at all, probably threw a code, they said o-SHI and put in a new pump. But the inverter overheating is directly related to the coolant pump, which is why there was a recall and why you took it in to be replaced.

But it also depends on the exact error they are getting. But not related to the rough idle, or probably any of the other work they did. But if there was air in the system that wasn't bled, or the first pump wasn't ever pumping it could have damaged the inverter. Or the new pump they sent you home with wasn't working and you damaged the inverter from overheating it.

 

What Joe said and lets include they probably overfilled the hell out of the oil too which sometimes makes the engine run rough.
Idling rough after a throttle body cleaning? Hardly. Should run better than ever if done right. They probabaly left the MAF plug unplugged.
Who knows what these idiots did. God I hate car dealerships.

But this could turn into a complete nightmare so pay attention. From here on out its important you get ALL the codes from them whenever you see the dash lights come on as these are the clues to what they botched up. I would demand to know the codes that have been thrown so far so we can see what they messed up. Post them here.

They are clearly incompetent and have caused all these issues. Do not take there word on anything they say and do not pay another dime. Coolant all over the car is ridiculous.

 

please give us the location and dealership to help save someone else from going through what you have, thank you.

 

It sounds like the inverter coolant pump replacement was botched which caused the inverter to fail. The pump is responsible for providing an adequate flow of coolant to the inverter. You have stated that the first replacement pump failed. Hence it is very reasonable to infer that the inverter failure is a direct result of the pump failure.

Regarding the rough idle, perhaps the tech did something wrong with the spark plug change, such as not tightening a spark plug, or failed to reconnect a wiring harness connector to a spark igniter, or contaminated the mass air flow sensor with throttle body cleaner. The car should not have been released to you with that problem, not to mention allowing the pink coolant spill to remain on your car's exterior.

Unless the facts change materially from what you have described, if the dealer does not accept responsibility for the inverter failure you should complain to the Toyota Customer Experience Center.

Good luck, I think you will need it.

 

Yeah i didn't even think of that if they cleaned the MAF, they could have damaged it (physically or with solvents), or the connector or left it unplugged, it is right in the front on the box you change the air filter. Or seriously overfilled oil. (lol, never Prius change oil at a Toyota dealer!!!)

I also wonder if the first pump made a terrible noise because some idiot clamped off some hoses to save time refilling the coolant and left the clamp on and killed the first pump, and probably hurt the inverter from no coolant flow. Look for marks on the rubber hoses near the pump or around the inverter.


I would speak to a service manager and say
- you want the to examine the 1st failed inverter or at least ask why they had to remove it.
- ask why if they had it so long they couldn't wash the car or at least remove the coolant spilled all over it.
- Check the oil and if it is over the full mark, you want them to drain out 1 Qt. (There are TSB about danger of overfilled oil in Prius).
- You want them to test the MAF in case it was damaged in cleaning.
- Check on the bill what ATF fluid they used changing the transaxle fluid (I'm assuming they used ATF WS since it is the most common), but wouldn't hurt to double check from the guy that did it.
- You want to speak to a regional manager about a new Inverter depending on the codes and if the dealer recommends replacing it, because it sounds like they put in a faulty pump (the item of recall) and ran it causing the problem in the recall you brought it in to prevent from happening in the first place.

 

Good one Joe. Op do not fall for the Inverter has failed bull. That's really expensive. Give us the name of the dealer please.

 

If your car doesn't demonstrate any driveability symptoms then you should be good to go.

I suppose you are not going to rate this service experience as EXCELLENT when you get the survey.

 

You should contact Toyota Customer Experience Center. So you couldn't even get any manager there to go and find out what the codes were? They don't document anything when doing these repairs?

The coilpack / sparkplug seems likely, and I suppose they had to remove the inverter to replace the pump? I guess they don't do it the luscious garage way.

It all depends what the codes were and it is possible all that was wrong was a connector something to the inverter...