The automobile fault code P0A90 indicates a problem with the engine assembly, HV transaxle assembly, transmission input damper, wire harness, or connector. This issue triggers the Engine Light or Service Engine Soon Warning Light to turn on. To fix this, visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this fault code is estimated to be 1.0.

It is important to address this issue promptly to prevent further damage to the vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p0a90 fault code.

  • The symptoms of the automobile fault code p0a90 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0a90 can be caused by a faulty engine assembly, HV transaxle assembly, transmission input damper, wire harness, or HV control ECU.

  • The fault code P0A90 can be caused by a faulty engine assembly, a faulty HV transaxle assembly (shaft or gear), a faulty transmission input damper, issues with the wire harness or connector, or a problem with the HV control ECU.

To fix the automobile fault code p0a90, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0a90, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded pins on the connectors.
  • This fix typically takes around 1.0 hour to complete.

The factors influencing the cost of diagnosing and fixing the automobile fault code p0a90 are the estimated repair time and the hourly rate charged by auto repair shops.

The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services.

These factors will determine the overall cost of diagnosing and fixing the p0a90 fault code.

The P0A90 fault code refers to the performance of Drive Motor ‘A’ in the HV transaxle system.

The HV transaxle consists of a planetary gear unit, MG1, and MG2. MG2 assists the engine output and increases the drive force of the vehicle. MG2 also converts energy from regenerative braking into electrical energy to charge the HV battery.

MG1 supplies electrical power for charging the HV battery and driving MG2. MG1 also acts as a starter motor to start the engine.

The transmission input damper absorbs shock during the transmission of drive force from the engine.

The P0A90 code indicates a performance issue with Drive Motor ‘A’ in the HV transaxle system.

What are the possible causes of the automobile fault code p0a90?

If you see the engine light or service engine soon warning light on, the fault code P0A90 could be the culprit. This code can be caused by a faulty engine assembly, HV transaxle assembly, transmission input damper, wire harness, or connector. To fix it, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t forget to check the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to fix the p0a90 fault code?

If you’re dealing with the p0a90 fault code and your engine light is on, it’s time to visually inspect the wiring harness and connectors. This could be the fix you need. Take a close look at the wiring harness and connectors, checking for any damage or signs of wear. Look out for broken, bent, pushed out, or corroded pins on the connectors. By doing this, you’ll be able to identify any issues and take the necessary steps to resolve them.

What should I look for when checking for damaged components or broken, bent, pushed out, or corroded connector’s pins to resolve the p0a90 fault code?

When resolving the p0a90 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins. This can help identify any issues with the engine assembly, HV transaxle assembly, transmission input damper, wire harness, or HV control ECU. By thoroughly examining these areas, you can pinpoint the cause of the fault code and proceed with the necessary repairs.

p0a90 error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Engine assembly, HV transaxle assembly, Transmission input damper, wire harness, or connector. To fix it, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken or bent pins on the connectors.

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