P0AAA - Hybrid Battery Voltage Isolation Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0AAA Possible Causes

  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Faulty HV Battery
  • Inverter With Converter Assembly

How do I fix code P0AAA

    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 P0AAA code

    Labor: 1.0

    The cost of diagnosing the P0AAA 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.

P0AAA Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0aaa Description

The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.
OBDII Code P0aaa - Hybrid Battery Voltage Isolation Sensor Circuit High - AutoCodes.com

P0AAA More Information

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P0AAA Information for specific makes

  • P0AAA BUICK Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
  • P0AAA CADILLAC Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
  • P0AAA CHEVROLET Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
  • P0AAA GMC Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
  • P0AAA LEXUS Hybrid Battery Voltage Isolation Sensor Circuit High
  • P0AAA NISSAN Hybrid Battery Voltage Isolation Sensor Circuit High
  • P0AAA TOYOTA Hybrid Battery Voltage Isolation Sensor Circuit High

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P0AAA Comments

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