P0AA6 Hybrid Battery Voltage Isolation Fault: Is It Safe to Drive?
P0AA6 means your hybrid's high-voltage system is leaking to chassis ground. Here's what causes it, and why it's not a code to keep driving on.
· Updated September 23, 2026
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Symptoms, decisions and the things that cost people money. Written for Toyota, Prius and Lexus owners in the Phoenix metro — not for search engines.
P0AA6 means your hybrid's high-voltage system is leaking to chassis ground. Here's what causes it, and why it's not a code to keep driving on.
· Updated September 23, 2026
P0A7F means the hybrid battery's control system has judged the pack degraded. Here's what it measures, how it differs from P0A80, and your repair options.
· Updated September 23, 2026
P0A80 means your hybrid pack has degraded past the point the computer will keep balancing it — but that doesn't automatically mean full replacement.
· Updated September 1, 2026
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