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P0A03 LEXUS

P0A03 LEXUS - Motor Electronics Coolant Temperature Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0A03 LEXUS Possible Causes

  • Faulty Inverter with converter assembly
  • Inverter with converter assembly harness is open or shorted
  • Inverter with converter assembly circuit poor electrical connection

First diagnose P0A03 LEXUS 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 P0A03 LEXUS code

    Labor: 1.0

    The cost of diagnosing the P0A03 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.

P0A03 LEXUS Possible Symptoms

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

P0a03 Lexus Description

The power management control Electronic Control Unit (ECU) detects HV coolant temperature using the coolant temperature sensor built into the inverter with converter assembly. The power management control ECU uses signals from the coolant temperature sensor to check the effectiveness of the inverter cooling system. If necessary, the power management control ECU will limit inverter output to help prevent inverter overheating. The power management control ECU also detects malfunctions in the sensor based on the HV coolant temperature sensor values. The inverter with converter assembly detects malfunctions in the HV coolant temperature sensor and its wiring.
OBDII Code P0a03 Lexus - Motor Electronics Coolant Temperature Sensor Circuit High - AutoCodes.com

P0A03 LEXUS More Information

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