Red /!\, VSC, Check Engine and (( ! )) Light on; A/C by rear passenger side seat won't turn off

Tombukt2 · Mar 23, 2022

16 very would be very new . And would ask for dealer login . I bet now the new version doesn't allow off line mode. Just a guess my version 15. Whatever allows me to click off line mode . With no online you cannot check computer firmware versions or for their updates.

BellaD · Jan 4, 2023

GetShrek'd said: ↑

I have an 2009 Prius Touring Edition with 130k miles on it. Bought used, drove great the first few months. 4 months later I have just the Red Triangle light come on intermittently then turn off while driving 30 min one way, then again 30 min back. Parked it after that day, found out that there was no coolant in the reservoir. Refilled it with the red coolant, and a few days pass without issue. Checked up on it again on the 3rd or 4th day and I noticed it still retained the coolant. Making maybe a single 2 hour round trip a day everyday since. Another day or two goes by and within driving 100ft the Red /!\, Orange (( ! )), VSC and Check Engine light come on along with the message across the top of the headunit's climate control & ect. display with another Exclamation point in the middle of a red car icon. Held the Display button while turning on/off the headlights to run the diagnostic on voltage and it was at 11.8v-11.9v for the smaller battery. 13.8v for the main while running. I did not have any codes ran on it yet and am in the process of figuring out what exact MiniVC dongle I need to do so to avoid paying $160 for the dealership to do it until necessary. I've read into a lot of other cases talking about a coolant (name escapes me as I think about it) part that has not been "recalled" but campaigned to be replaced before 60k miles or something. However, what I haven't read anything about pertaining to my situation; Is the rear a/c vent by the back right passenger seat suddenly coming on and not turning off simultaneously as these lights came on. I turned my A/C on and it blew cold but I haven't left it on that long to see how long it takes to see if it does get hot while on.
Click to expand...

BellaD · Jan 4, 2023

GetShrek'd said: ↑

I have an 2009 Prius Touring Edition with 130k miles on it. Bought used, drove great the first few months. 4 months later I have just the Red Triangle light come on intermittently then turn off while driving 30 min one way, then again 30 min back. Parked it after that day, found out that there was no coolant in the reservoir. Refilled it with the red coolant, and a few days pass without issue. Checked up on it again on the 3rd or 4th day and I noticed it still retained the coolant. Making maybe a single 2 hour round trip a day everyday since. Another day or two goes by and within driving 100ft the Red /!\, Orange (( ! )), VSC and Check Engine light come on along with the message across the top of the headunit's climate control & ect. display with another Exclamation point in the middle of a red car icon. Held the Display button while turning on/off the headlights to run the diagnostic on voltage and it was at 11.8v-11.9v for the smaller battery. 13.8v for the main while running. I did not have any codes ran on it yet and am in the process of figuring out what exact MiniVC dongle I need to do so to avoid paying $160 for the dealership to do it until necessary. I've read into a lot of other cases talking about a coolant (name escapes me as I think about it) part that has not been "recalled" but campaigned to be replaced before 60k miles or something. However, what I haven't read anything about pertaining to my situation; Is the rear a/c vent by the back right passenger seat suddenly coming on and not turning off simultaneously as these lights came on. I turned my A/C on and it blew cold but I haven't left it on that long to see how long it takes to see if it does get hot while on.
Click to expand...

Hi its been a few years since this forum, i just got exactly all these lights on my dash and on my camera screen along with the fa. From the rear seat come in and will not stop unless i turn off engine. What did you end up doing to fix all this?

Tombukt2 · Jan 5, 2023

HV battery failing

Red /!\, VSC, Check Engine and (( ! )) Light on; A/C by rear passenger side seat won't turn off

Tombukt2 Senior Member

BellaD New Member

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Tombukt2 Senior Member

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Red /!\, VSC, Check Engine and (( ! )) Light on; A/C by rear passenger side seat won't turn off

Tombukt2 Senior Member

BellaD New Member

BellaD New Member

Tombukt2 Senior Member