Toyota Prius Gen3 P0A80 hybrid battery replacement
Check hybrid system warning triangle illuminates with fault code P0A80 replace hybrid battery pack. Individual cells in the NiMH battery pack fail, reducing overall capacity and triggering the fault. A full pack replacement from Toyota is expensive. Many specialists offer individual cell replacement or refurbished pack options at significantly lower cost. The battery management system should be recalibrated after any battery work.
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No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota Prius 2011 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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