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  1. jchum
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    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    All the same lights came back on but I have not actually read the codes again as I do not have a reader. What would be indicators that it was...
    Post by: jchum, Jun 5, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. jchum
    Post

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    Well I made it to 156 miles and all the lights came back on. Any more suggestions?
    Post by: jchum, Jun 5, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  3. jchum
    Post

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    I tried looking at the ECU but there wasn’t anything that stuck out as wrong to me. I didn’t see corrosion on its pins. [ATTACH] [ATTACH]...
    Post by: jchum, May 13, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  4. jchum
    Post

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    Could this be the problem (the terminal circled in red)? And if so, what’s the best way to clean it up?
    Post by: jchum, May 11, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  5. jchum
    Post

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    Thank you I will check it tomorrow and post some pictures of what I see.
    Post by: jchum, May 5, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  6. jchum
    Post

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    The part numbers they gave me that they said I would need are 8989047092 and 8998147390. But you're saying it's likely a different ECU entirely?...
    Post by: jchum, May 5, 2021 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  7. jchum
    Thread

    HELP! 2005 Prius warning lights - told 2 ECUs need replaced and possibly battery assembly

    Hello, I'm new here and am needing some help. I have a 2005 Prius with 162,100 miles. I bought it used in 2018 from a dealership and it only had 1...
    Thread by: jchum, May 5, 2021, 41 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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