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P0AAA Code - Hybrid Battery Voltage Isolation Sensor Circuit High

- Code Popularity: 3,294 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0AAA?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Faulty HV Battery
  • Inverter With Converter Assembly
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How to Fix the DTC P0AAA?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0AAA code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code 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 Code - Hybrid Battery Voltage Isolation Sensor Circuit High

Need More Information on the Code?

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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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Code P0AAA comments

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