Error codes: C1252, C1256, C1300 - Toyota Prius Forum : Toyota Prius Forums
 
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post #1 of 4 Old 03-20-2019, 11:30 AM Thread Starter
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Default Error codes: C1252, C1256, C1300

2006 Toyota Prius with 308,000 miles (body) engine replaced at 256,000 with one that had 56k. Has been sitting about a year because the hybrid battery needed to be replaced. Replaced it a few days ago and now these codes came up when the guy changed it. I looked up C1256, and from my finding it looks like it is the accumulator pump- is this correct? Couldnt find any info on the other codes. I donít really wanna get rid of the car because itís in good shape, no major body damage, inside is in good condition. When the breaks went out last year thatís when I found out the hybrid battery also needed to be replaced. Toyota didnít know why the breaks went out and sent me on my way. Any recommendations? Hereís a pic of the codes from the guys computer.
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post #2 of 4 Old 03-28-2019, 01:24 PM
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The 12 V battery is probably dead (or very weak) from just sitting for a year.

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post #3 of 4 Old 07-08-2019, 07:15 PM
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Quote:
Originally Posted by My2cents View Post
Thought I'd answer the question regarding error codes instead of making a guess about something you didn't ask about (12V battery).
Thank you for the additional information.

So here's some information for you.....since you don't seem to know already:
In many modern cars with lots of computers running things, when the 12 V system experiences a low voltage condition, for whatever reason, it can cause all kinds of erroneous codes to be set.
That can often result in people chasing faults that aren't really there.

A savvy and experienced mechanic will always check the health of the 12 V battery BEFORE chasing ghosts.
Alas, a lot of them are neither savvy or experienced these days.

P.S. I can delete this account just as easily as I did the last one.

'17 Prius C-4
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post #4 of 4 Old 07-10-2019, 10:17 AM
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Quote:
Originally Posted by My2cents View Post
There's room for both approaches as long as people check their ego at the door.
YOU need to look in the mirror when you say that.

So far, more than half of your posts here have NOT been trying to help anybody......but throwing insults at another user, which just happens to be ME.

That kind of behavior will NOT be tolerated regardless of who the user is.

I did not delete this account already because I wanted to give you one more chance to shape up.
I quite assure you that I can hit the "delete" button a lot longer than you can create accounts.

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