1. Attachments are working again! Check out this thread for more details and to report any other bugs.

P0AA6 code, Combo Meter, MFD Replacement, Reconditioning questions

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by TampaToma, Jul 23, 2024 at 10:35 AM.

  1. TampaToma

    TampaToma Junior Member

    Joined:
    Jul 31, 2020
    13
    1
    1
    Location:
    Tampa
    Vehicle:
    2009 Prius
    Model:
    Four Touring
    ok I replaced the 12V battery, but I'm still having some issues with my car. I'm getting the P0AA6 code. I used the Dr. Prius app to test the life of the battery and it said 35% which I know is not good at all. I may run another test later tonight, and run the more detailed test to see what I can come up with. The car was sitting for a while in the Florida heat, so I know the battery doesn't like that. I hope driving it around a few times might revive it a bit.

    On top of that, my dash lights have gone out. This happened once before a few years ago and somehow it turned back on again, but now they are out again. I know it's related to the Combo Meter, and I'm aware I can get one from Texas Hybrids online. I also found a repair service here in Fl that can do it for $40 + shipping so I might go that route to save some dough.

    Also my MFD is out and has been out for a while so that has been driving me crazy and I've been wanting to replace it for a while. I think it's the sunburst issue. I can see it barely at night sometimes, but during the day it's impossible to see anything. If I have to do the Combo Meter I might as well do them both at the same time. What is the best source for MFDs? When I researched it a few years ago I found a few people you could ship them to and they will repair and ship back, but I'm also open to either getting a new one if possible or used on Ebay. I have the touring edition so I know I have to make sure I get the right MFD for my car. 86110-47220 7 keys, US version with navigation and Bluetooth. Or I heard 86110-47260 also works.

    So yeah I'm hoping the hybrid battery will last until I can get my hands on the new sodium batteries. Do you think I should attempt a reconditioning on the hybrid battery before then? If so what is the best method for this? I've been wanting to learn how to do this for a while. If I can invest in conditioning tools that will also be compatible with my new sodium battery that would be ideal.
     
    #1 TampaToma, Jul 23, 2024 at 10:35 AM
    Last edited: Jul 23, 2024 at 1:38 PM
  2. TampaToma

    TampaToma Junior Member

    Joined:
    Jul 31, 2020
    13
    1
    1
    Location:
    Tampa
    Vehicle:
    2009 Prius
    Model:
    Four Touring
    UPDATE: I drove the car today and the dash lights came back on just like last time so that's at least some good news
     
  3. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    108,925
    49,506
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    if the battery isn'tthrowing any codes yet, get the prolong charger from hybrid automotive
     
  4. Brian1954

    Brian1954 Active Member

    Joined:
    Jan 31, 2021
    823
    310
    0
    Location:
    South Central PA, USA
    Vehicle:
    2011 Prius
    Model:
    III
    The Prolong system will not fix a P0AA6 battery isolation fault problem.
     
    bisco likes this.
  5. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    108,925
    49,506
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    thanks, that settles it then!
     
  6. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    9,158
    1,609
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    Yeah just pop open the case you'll probably see the isolation problem fix that and then roll with it the MFD you can buy I just got two of them come in and two cars. But the seven button MFD is a premium you'll pay for that one people think they've got a gold mine they're looking to get $400 for them and stuff online luckily none of mine have gone out and I've gotten a few overtime that I've turned around and sold the guts out of and all of that sort of thing one of these days another one of those are rolling and I'll just put it up but usually mama destroys the whole car not the MFD