Prius (2004-09) :: P0AA6 Code / Aux Battery Died
Jun 21, 2010
I've got a 2006 Prius that was a model car--no problems at all--until it turned 4 years and 1 week old in April 2010. Then my aux battery died on 22 April, with just 31,583 miles on the car, and was replaced at Downtown Toyota in Oakland, CA. My dashboard lighted up after hours, and since my regular mechanic (Art's Automotive) was already closed for the evening, I had it towed to downtown Toyota. No huge deal, except for the cost of the battery/labor. The codes were: C2318, b1421, b1200, b1207, and b1271.
4 weeks later, on 22 May, I pulled into my driveway, and 4 lights came on: the MIL, the VSC, the yellow ! inside the circle, and the Hybrid System Failure icon on the MFD.
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have a 07 prius with 113k miles. It recently displayed the red triangle with code p0aa6 sub code 612.
I took apart the battery and nothing looked corroded, then on the inside of the bus bar i found a small amount of corrosion. After testing the cells i found 2 modules that were leaking voltage.
Since I had everything open I figured I might as well test to see if any cells were on there way out. The static voltages were pretty close around 7.8v, there were a couple modules that were .3v apart that I'm doing more testing on. I load tested each module with 1a, is 1 amp enough for a load test? I have a 100a load tester but figured that was way too much. They were all ok under load test, dropping about .6v and returning to original voltage within a few minutes.
Then I decided to check capacity on the bad cells, they were about 500mah, got to 1000mah after 1 discharge/charge cycle. I tested the capacity on a cell I thought was good and so far it discharged about 1050mah until it reached 6v, this was from 7.77v. I'm giving it some time to rest to see if it goes back up a bit and then I'll discharge some more till it stays at 6v. Even if I get a little bit more in it will be way under the 6500mah it should have or even the 3500mah that I've read is acceptable.
Since all of the modules have parameters that are pretty close I'm thinking the capacity will be pretty close as well.
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Gen II Prius, 151000 miles, HV battery died (rapid charging / discharging, cooling fan on high constantly, etc) Installed remanufactured HV battery. Connect it all back up, test drive, get the triangle of death, VSC, amber (!), and MIL on MFD. Car continues to drive normally until shutdown, upon next startup lights still present and won't shift into D or R only N. Pull codes, POAA6 is showing.
Code doesn't reset with car in ign on (not ready) after 60 seconds, make car ready and shift immediately to N. Code resets after 30 sec. Have done this trouble shooting 4 times and code always resets with ready on and in N. This points to the HV 'leak' being either in the wiring harness or the inverter. What I can do next in order to figure out which one?
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ok scan system for code with Snap On verus and a Launch x431 this is a 2005 with 192k. I can not find any inf codes to lead me in the flow chart that alldata provides. Are their some years that don't provide inf codes. I have check all 3 smi relay and they are getting the command signal to closed the relays but looks like the smi2 will not close at times can this be the cause of poaa6 of the isolation fault. seems to be intermittent sometimes it closes. As far as the poaa6 I did push the start button 1 time to power up with no not "ready" on and waited 90 seconds and the triangle came on and set code. It has a new 12v battery I have take all the buss bars off the hv and clean, not that bad very littler discoloration and corrosion. Test each cell and have 7.78-7.97 in each ,installed 55w light loaded each and none ever drop below 7.65. this my not be the right way but I am learning and trying to figure this out. Have really never worked on the hv side of a prius always the motor side, but this now intrigues me .
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So it looks like the battery in my Key Fob has died. I've had some trouble replacing it, so for the past week or so I've been forced to use the physical key every single time. It's getting pretty annoying now, so I've decided to figure this out once and for all. From what I gather, the replacement should be battery number 2032.
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I own a 2008 Prius with 87k on it. The factory hybrid warranty was good through 11/15 and on 1/22/16 the dash lit up along with the MFD screen. After research I thought it was an inverter pump. I got the call from Toyota that it was throwing a P80 code meaning it is the hybrid battery. The dealership told me that it would run 3200.00 for a new replacement. I called the service manager and had him send in a goodwill exception since we service our 7 other toyotas with them.
Toyota corporate responded they would cover the battery under goodwill but I would have to pay the labor cost of 450.00. I spoke to the service manger and the dealership is covering half of that which I'm only liable for 225.00. I'm not out 3200.00 but after doing more research the typical battery last 60-80k. Some are luckier to get over 150k. For those Prius owners approaching those miles beware that you might need a battery replacement. This will be the last hybrid I will ever own.
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Got the triangle of death after letting the car set during my 2 week vacation. P0A80 and Battery block is 14.17V all the rest above 15.35. That's a lot of money to repair a car. Not sure if I want to cut my losses and move on or replace it and drive as long as I can.
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Went out to start my 2007 at 5:10am and it was as dead as a doornail. (Well, almost...I pushed the button for the cabin light and it barely lit). I panicked. Pulled out the manual and figured out that the 12v was dead. Woke up DH (who was not happy) and then we followed the instructions for the jump - which worked. (Hooray!) Didn't quite understand the "hold the pedal lightly for 2000 rpm before starting the car when there was no engine running " part...but I did sit there with my foot on the pedal pressing it down a bit. (Yes, I follow directions)
The car has about 60k miles. I drive 35 miles each way to work Monday through Friday. Weekends I only drive it around town a few miles. It may sit one of those days. I do keep the headlights on all of the time, in fact I have never turned them off. I thought that once I powered it off, everything was off? (Except that little security thing). The car is the basic model.
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Last night during the East Coast's snow storm, I left my 2004 Prius warming for 10 minutes in park. I have a newborn and wanted the car warm for her. When I got back outside to leave, the Prius had died. The check engine light was on, but that was on before because I need to get the oil changed.
I went to jump start it, but when I opened the hood, I could hear that the engine seemed to still be running - it sounded like the belts were still going. So I was nervous to jump start it with the engine still seemingly on. I waited 30 minutes and that noise stopped.
When I tried to jump start it, I couldn't get the fuse box cover off after an hour of trying at 10PM, in the snow and rain. So I gave up and will try again later today.
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I have had my '08 Prius for 3 years and have little to no problems with it. This morning I jumped in to go to work and the entire dash lit up and then faded out and died. The only lights still on is the check engine light, Airbag light and the little green light on the Park button. The worst part is now I can not completely shut it down. I am wondering if it is just a dead battery or if this is something bigger. If it is a dead battery I am baffled at how it could be. I have AAA coming to jump it and I hope that is all it is. Sound familiar?
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My 2004 gen II died on the road last week. I wanted to have information, on what is apparently a rare problem.
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My battery died quick and my car doesn't start anymore it starts but it's turns right bak off I scanned it and code p0688 came out something about a relay.
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I have a 2006 with 188,000 miles. We replaced the hv battery at 155000 miles. the car has been getting lower mileage than usual, around 36 mpg, we usually get 43 to 45 on the trip to work and back. the red triangle appeared and all the other lights a couple days ago. Borrowed a code reader, not a scan gauge, and the code came up P0a85, and says the HV battery is overheating. I checked the 12v battery and it is low, at 11.7 volts. So I am replacing the 12v battery, should be here in a couple days, already replaced it once, about 4 or 5 years ago.
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I'm getting the 14 blink code on my Hymotion LED indicating that my 12v battery is needing replacement. My question is that the car seems to run fine with the exception of my mileage is low. I'm ordering the Optima replacement. Can I still drive around for another week without worry?
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I had a 12v battery issue that I see common. 12V battery does not crank car. Jump car and works fine for a few days. I had this issue and it went away. Dealer said replace 12v battery, or just carry my charger pack with and use that unless it gets worse.
Jump ahead 2 months. I drive 50 miles each way to work 5 days a week. No issues. Yesterday, after my car sitting all day, I am backing out of driveway and get the red triangle. Code was P0A80. I looked it up. I cleared the code and was going to dealer if it came back. Today, after driving 50 miles into work, no issues, I get the red triangle. Code P3021. Fan started running back there too
My question : Would replacing the 12v battery useful for this issue?
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Back in November/December I discharge/charge-cycled each module in my battery pack 3+ times after replacing 3 bad modules. I didn't get to reassemble everything and drive the car until the holidays. On short trips around town, everything seemed okay, but on longer trips (limited data here, but say 40-45 miles) I got the red triangle and some other lights (see photo). I read the code as P3024 which from what I find means Battery Block 14 Becomes Weak. I can clear the code and the car is happy until the next trip...
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Had a company install fog lights on my replacement 2007 Prius I picked up after I totaled my 2008. When i went to pick the car up, the car wouldn't start. Showed the triangle of death and threw a code that the 12v was bad. Probably from having the car off and testing the fog lights continually - resulted in a drained battery. I picked up a brand new yellow top optima battery and thought this would resolve my issues. Nope, once the batter was replaced, the car wouldn't go into Drive or Reverse, only park or neutral. The current code is P0A0D. The shop is baffled. They removed all modified parts and still can't figure out the issue. They are currently replacing the interlock plug in hopes that this will resolve the issue.
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I have a 2004 prius with p3000 sub 123 this is the only code. This happen after a replace a cell. Now I check every cell all of them are around 8 V.
P3000 subcode 123 is abnormal signal from the battery...
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Have replaced dead cells on wife's HV battery over a month ago. Threw this P0a80 code today and will barely move. She idles into dealership and they say it's the battery, really!
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About 1500 miles ago, I replaced a cell in the battery pack. Now the triangle of dead is back and the code is "replace battery pack" again.
I tested all the cells and here are the results.
(the previous one I replaced was 4.5 volts, very low and easy to find)
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Well, just replaced my HV battery, hooked everything up (I think) and tried to start it. ALL the caution lights came on and stayed on. This is the code that showed up on the reader. P0AE0. The battery was refurbished and I changed over my Computer module and the contact posts. Everything is tight, and I compared my pre-takedown pics to the post-repair work and it all looks correct.
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