Error P0A7F

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ahempton, Feb 25, 2019.

  1. ahempton

    ahempton Junior Member

    Joined:
    Jul 26, 2009
    9
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    Location:
    San Diego, CA
    Vehicle:
    2010 Prius
    Model:
    II
    The hazard triangle, check engine, and Check Hybrid System message came on Feb. 7. I took in to repair shop and they recommended replacing the auxiliary battery. $500 later (parts and labor) that was replaced.

    Fast forward two week later the same message appears. Got an OBDII reader and the message is P0A7F which means hybrid battery deterioration.

    I’m in California so wondering if the hybrid warranty covers this. It’s within 150k miles and within the 10 years.

    Taking in to shop tomorrow... thoughts?
     
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