AutoCodes – Honda – P15A8 Honda

P15A8 Honda Code - W Phase Motor Current Sensor Circuit Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the W Phase Motor Current Sensor. Common causes include Faulty W Phase Motor Current Sensor, W Phase Motor Current Sensor harness is open or shorted, W Phase Motor Current Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P15A8 Honda indicates W Phase Motor Current Sensor Circuit Malfunction.
Common causes
Common causes include Faulty W Phase Motor Current Sensor, W Phase Motor Current Sensor harness is open or shorted, W Phase Motor Current Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 2,255
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 02, 2020
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Code P15A8 Honda Description

The Engine Control Module (ECM) monitors the W Phase Motor Current Sensor. The ECM sets the OBDII code when the W Phase Motor Current Sensor is not to factory specifications.
OBDII Code P15A8 Honda - W Phase Motor Current Sensor Circuit Malfunction - AutoCodes.com
P15A8 Honda Code - W Phase Motor Current Sensor Circuit Malfunction

What are the Possible Causes of the DTC P15A8 Honda?

  • Faulty W Phase Motor Current Sensor
  • W Phase Motor Current Sensor harness is open or shorted
  • W Phase Motor Current Sensor circuit poor electrical connection

How to Fix the DTC P15A8 Honda?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P15A8 Honda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P15A8 Honda code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P15A8 Honda Code

1. What are common symptoms of OBDII code P15A8 Honda (W Phase Motor Current Sensor Circuit Malfunction)?

- Common symptoms include the check engine light illuminating, reduced engine power, and potential drivability issues.

2. What can cause the OBDII code P15A8 Honda to trigger?

- The code can be triggered by a faulty W phase motor current sensor, damaged wiring or connectors, or issues with the motor itself.

3. How serious is the W Phase Motor Current Sensor Circuit Malfunction code?

- While the severity can vary, it is important to address this issue promptly to prevent further damage to the vehicle's electrical system.

4. How can I diagnose the cause of OBDII code P15A8 Honda?

- Diagnosing the code typically involves using a scan tool to retrieve the specific fault code, inspecting the sensor and its wiring, and testing the motor for proper functionality.

5. Can I continue driving my vehicle with the P15A8 code present?

- It is not recommended to continue driving with the code present, as it can lead to potential performance issues and further damage if left unresolved.

6. What are some repair tips for addressing the W Phase Motor Current Sensor Circuit Malfunction?

- Repair tips may include checking and repairing damaged wiring, replacing the faulty sensor, and ensuring proper connections are secure.

7. How much does it typically cost to fix OBDII code P15A8 Honda?

- The cost of repair can vary depending on the extent of the issue, but it may range from a few hundred dollars for sensor replacement to more for complex repairs.

8. Can I reset the OBDII code P15A8 Honda myself?

- While you can clear the code with a scan tool, it is important to diagnose and address the underlying issue to prevent the code from reoccurring.

9. Are there any recalls or technical service bulletins related to this code?

- It is recommended to check with Honda or your local dealership for any recalls or technical service bulletins related to the P15A8 code for your specific vehicle.

10. How can I prevent the recurrence of the W Phase Motor Current Sensor Circuit Malfunction in the future?

- Regular maintenance, keeping an eye on warning signs, and addressing any electrical issues promptly can help prevent the code from reappearing.

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