Engine-Codes - Lexus - P0A4B LEXUS

P0A4B LEXUS Code - Generator Position Sensor Circuit

- Code Popularity: 3,117 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0A4B LEXUS Code?

  • Faulty Hybrid Vehicle Transaxle Assembly (Generator Resolver)
  • Hybrid Vehicle Transaxle Assembly harness is open or shorted
  • Hybrid Vehicle Transaxle Assembly circuit poor electrical connection
  • Inverter with Converter Assembly

|How to Fix the P0A4B LEXUS Code?

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 P0A4B LEXUS code?

Labor: 1.0

The cost to diagnose the P0A4B LEXUS 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 P0A4B LEXUS code possible symptoms?

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

|What Does the P0A4B LEXUS Code Mean?

A resolver is a sensor that detects the position of the magnetic poles, which are indispensable for ensuring highly efficient control of MG2 and MG1.
The generator resolver structure and method of connection with the inverter with converter assembly are the same as those of the motor resolver.
The inverter with converter assembly monitors output signals from the generator resolver and detects malfunctions.

Generator Position Sensor Circuit

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