AutoCodes – Generic – P15A5

P15A5 Code - Motor Current Sensor Circuit Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the Motor Current Sensor. Common causes include Faulty Motor Current Sensor, Motor Current Sensor harness is open or shorted, 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: P15A5 indicates Motor Current Sensor Circuit Malfunction.
Common causes: Common causes include Faulty Motor Current Sensor, Motor Current Sensor harness is open or shorted, 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 9,444

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P15A5 Description

The Engine Control Module (ECM) monitors the Motor Current Sensor. The ECM sets the OBDII code when theMotor Current Sensor is not to factory specifications.

OBDII Code P15A5 - Motor Current Sensor Circuit Malfunction - AutoCodes.com — P15A5 Code - Motor Current Sensor Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P15A5?

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

How to Fix the DTC P15A5?

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 P15A5 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 P15A5 code?

Need more information on how to fix the P15A5 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P15A5 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P15A5 Honda — Motor Current Sensor Circuit Malfunction

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 P15A5 Code

1. What are the common symptoms of OBDII code P15A5 (Motor Current Sensor Circuit Malfunction)?

- Common symptoms include illuminated Check Engine Light, reduced engine power, and possible stalling or rough idling.

2. What can cause the OBDII code P15A5 to trigger?

- The code P15A5 is typically triggered by issues such as a faulty motor current sensor, damaged wiring in the sensor circuit, or a problem with the sensor's connector.

3. How can I diagnose the Motor Current Sensor Circuit Malfunction related to code P15A5?

- Diagnosis involves using a scan tool to retrieve the code, checking the motor current sensor and its wiring for physical damage, and testing the sensor's resistance and voltage output.

4. Can a loose electrical connection cause code P15A5 to appear?

- Yes, a loose or corroded electrical connection related to the motor current sensor circuit can trigger the P15A5 code. Ensure all connections are secure and free of corrosion.

5. What is the recommended repair for OBDII code P15A5?

- The repair for code P15A5 involves addressing the root cause of the motor current sensor circuit malfunction, which may include replacing the sensor, repairing damaged wiring, or fixing a faulty connector.

6. Is it safe to continue driving with OBDII code P15A5 present?

- It is not recommended to continue driving with the P15A5 code active, as it can lead to further engine performance issues and potentially cause damage to other components.

7. Can a DIY enthusiast fix the Motor Current Sensor Circuit Malfunction causing code P15A5?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address the issues causing the P15A5 code, such as replacing the motor current sensor or repairing damaged wiring.

8. Are there any specific vehicles known to be prone to OBDII code P15A5?

- While this code can appear in various vehicle makes and models, certain vehicles with electric powertrains or hybrid systems may be more prone to experiencing the Motor Current Sensor Circuit Malfunction.

9. Will resetting the Check Engine Light clear OBDII code P15A5?

- Resetting the Check Engine Light may temporarily clear the code, but if the underlying issue causing the P15A5 code is not addressed, the light is likely to come back on after driving cycles.

10. How can I prevent OBDII code P15A5 from reoccurring in the future?

- To prevent the recurrence of code P15A5, it's important to perform regular maintenance checks, inspect the motor current sensor and its wiring periodically, and address any electrical issues promptly.