P0AA9 TOYOTA - Hybrid Battery Voltage Isolation Sensor Circuit Low
P0AA9 TOYOTA Possible Causes
- Hybrid battery junction block
- Faulty Battery Smart Unit
- Faulty HV Battery
- Inverter With Converter Assembly
How do I fix code P0AA9 TOYOTA?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P0AA9 TOYOTA code
Labor: 1.0The cost of diagnosing the P0AA9 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P0AA9 TOYOTA DescriptionThe power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.
More InformationNeed more information on how to fix the P0AA9 TOYOTA code?
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Need more help?Get the P0aa9 Toyota code diagnosed by a professional: Find a repair shop in your area
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