Engine-Codes - Generic - P0AC3

P0AC3 Code - Hybrid Battery Pack Current Sensor 'A' Circuit Intermittent/Erratic

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

|P0AC3 code possible causes

  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Battery Smart Unit harness is open or shorted
  • Battery Smart Unit circuit poor electrical connection

|How is the P0AC3 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 P0AC3 code

Labor: 1.0

The cost to diagnose the P0AC3 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 P0AC3 code possible symptoms?

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

|What is P0AC3 code meaning?

The battery current sensor, which is mounted on the positive cable side of the HV battery assembly, detects the amperage that flows into the HV battery. The battery smart unit inputs a voltage, which varies between 0 and 5 V in proportion to the amperage, into the IB terminal from the battery current sensor. An output voltage of the battery current sensor below 2.5 V indicates that the HV battery is being discharged, and above 2.5 V indicates that the HV battery is being charged. The power management control ECU determines the charging and discharging amperage of the HV battery based on the

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|P0AC3 code information for specific makes

  • P0AC3 LEXUS Hybrid Battery Pack Current Sensor 'A' Circuit Intermittent/Erratic
  • P0AC3 TOYOTA Hybrid Battery Pack Current Sensor 'A' Circuit Intermittent/Erratic

|Need help with a P0AC3 code?

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