P0AC3 LEXUS - Hybrid Battery Pack Current Sensor 'A' Circuit Intermittent/Erratic
P0AC3 LEXUS 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 do I fix code P0AC3 LEXUS?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.
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Cost of diagnosing the P0AC3 LEXUS code
Labor: 1.0The cost of diagnosing the P0AC3 LEXUS 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.
- Engine Light ON (or Service Engine Soon Warning Light)
P0AC3 LEXUS DescriptionThe 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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