Engine-Codes - Generic - P0A4F

P0A4F - Generator Position Sensor Circuit Intermittent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0A4F Possible Causes

  • Faulty Hybrid Vehicle Generator
  • Hybrid Vehicle Generator harness is open or shorted
  • Hybrid Vehicle Generator circuit poor electrical connection

How is the P0A4F code repair?

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 P0A4F code

Labor: 1.0

The cost to diagnose the P0A4F code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

P0A4F Meaning

The generator resolver detects the position of the magnetic poles, which are indispensable for ensuring the highly efficient control of the MG1 and MG2. The construction of the generator resolver and how it is connected to the HV control ECU are the same as those of the motor resolver.

More Information

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Information for specific makes

  • P0A4F LEXUS Generator Position Sensor Circuit Intermittent
  • P0A4F TOYOTA Generator Position Sensor Circuit Intermittent

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