Engine-Codes - Lexus - P0ACB Lexus

P0ACB Lexus Code - Hybrid Battery Temperature Sensor 'C' Range/Performance

- Code Popularity: 1,093 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 P0ACB Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty HV Battery Assembly (HV battery temperature sensor)
  • HV Battery Assembly harness is open or shorted
  • HV Battery Assembly circuit poor electrical connection
  • Faulty Battery smart unit
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How to Fix the DTC P0ACB 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0ACB Lexus 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 P0ACB Lexus Code Mean?

The battery temperature sensors are provided at 3 locations of the HV battery. The resistance of the thermistor, which is built into each battery temperature sensor, varies in accordance with changes in the HV battery temperature. The lower the battery temperature, the higher the thermistor resistance. Conversely, the higher the temperature, the lower the resistance. The battery smart unit uses the battery temperature sensors to detect the HV battery temperature, and sends the detected value to the power management control ECU. Based on the results of this detection, the power management control ECU controls the blower fan. (The blower fan starts when HV battery temperature rises above a predetermined level.)

P0ACB Lexus Code - Hybrid Battery Temperature Sensor 'C' Range/Performance

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