P0AA9 — Hybrid Battery Voltage Isolation Sensor Circuit High

Q: What does fault code P0AA9 mean?

P0AA9 means: Hybrid Battery Voltage Isolation Sensor Circuit High. It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P0AA9?

With P0AA9 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

Hybrid Battery Voltage Isolation Sensor Circuit High

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Can I drive with P0AA9?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P0AA9 mean?

P0AA9 means Hybrid Battery Voltage Isolation Sensor Circuit High.

Can I keep driving with P0AA9?

You can usually drive home and book an inspection within a few days.

Related fault codes

P0AA0 — Hybrid Battery Positive Contactor Control Circuit/Open
P0AA1 — Hybrid Battery Positive Contactor Control Circuit Low
P0AA2 — Hybrid Battery Positive Contactor Control Circuit High
P0AA3 — Hybrid Battery Negative Contactor Control Circuit/Open
P0AA4 — Hybrid Battery Negative Contactor Control Circuit Low
P0AA5 — Hybrid Battery Negative Contactor Control Circuit High
P0AA6 — Hybrid Battery Voltage System Isolation Fault
P0AA7 — Hybrid Battery Voltage Isolation Sensor Circuit Range/Performance
P0AA8 — Hybrid Battery Voltage Isolation Sensor Circuit Low
P0AAA — Hybrid Battery Positive Contactor Stuck Closed

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