Engine-Codes - Toyota - P0AC3 Toyota

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

- Code Popularity: 1,089 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P0AC3 Toyota?

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
  • Battery Smart Unit harness is open or shorted
  • Battery Smart Unit circuit poor electrical connection
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How to Fix the DTC P0AC3 Toyota?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0AC3 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P0AC3 Toyota Code Mean?

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

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

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