P0AAB - Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0AAB Possible Causes

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

First diagnose P0AAB code

    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 P0AAB code

    Labor: 1.0

    The cost of diagnosing the P0AAB 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.

P0AAB Possible Symptoms

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

P0aab Description

The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.
OBDII Code P0aab - Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic - AutoCodes.com

P0AAB More Information

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P0AAB Information for specific makes

  • P0AAB LEXUS Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic
  • P0AAB NISSAN Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic
  • P0AAB TOYOTA Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic

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