Engine-Codes - Generic - P0AAA

P0AAA Code - Hybrid Battery Voltage Isolation Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0AAA code possible causes

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

|How is the P0AAA code repair?

Start by checking 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.

|What is the cost to diagnose the P0AAA code

Labor: 1.0

The cost to diagnose the P0AAA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0AAA code possible symptoms?

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

|What is P0AAA code meaning?

The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.

|Need more information with the P0AAA code?

Need more information on how to fix the P0AAA code?
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|P0AAA code 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

|Need help with a P0AAA code?

Get the P0aaa code diagnosed by a professional: Find a repair shop in your area