High Transmission fluid temperature, wtf just happened

prerecordedlive · Jan 18, 2023

AZ_Tumbleweed said: ↑

Do you happen to have raptor lights or anything tapped into the fuse box? I had similiar symptoms and that was the cause
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Nope. My only aftermarket part is a head unit and I haven’t toyed with the fuse box.

I’m reading up on the crank position sensor recall that I took it in for in October. I did that proactively without experiencing any of the telltale signs, but what I’m reading about seems to be everything I’m experiencing now.

rzathagza · Jan 18, 2023

What a nightmare, good luck man. Keep us posted

cryptolime · Jan 19, 2023

prerecordedlive said: ↑

Follow-up to last week:

I picked it up that afternoon with them having done nothing. Codes miraculously cleared. Drove it for a week and it went limp again, thankfully in my neighborhood so I was able to crawl it into the driveway.

I opted to tow it to the Toyota dealership north of me that’s about twice the distance. It took them less than an hour to find code P065714:
Actuator Supply Voltage "A" Circuit Short to Ground or Open. An open or short is detected in the electronic throttle control system power source (+BM) circuit (1 trip detection logic).

I suspect the first dealer pulled the fuse while servicing the crankshaft position sensor recall and never put it back because it wasn’t just blown; it was missing.

Drove perfectly on the way home. No codes, no jolting, no sputtering engine, and no smells. A little out of the way for me but they’ve made a customer and I’ll make sure our Tacoma and RAV4 both go up there for service from now on.

Hopefully this post helps someone else with this issue at some point. I know we’ve all beat our heads against the wall at some point trying to pinpoint an issue.
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from the service manual:

i would clean the connections on your battery and replace the ETCS fuse. fuses can go bad even when they look fine and dirty battery connections can cause all sorts of weird electrical issues. make sure it's the correct fuse.

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High Transmission fluid temperature, wtf just happened

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High Transmission fluid temperature, wtf just happened

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