AutoCodes – Honda – P15A2 Honda

P15A2 Honda Code - Motor Driver Module Voltage Signal Circuit Low Input

Quick Answer

The Engine Control Module (ECM) monitors the Motor Driver Module. Common causes include Faulty Motor Driver Module, Motor Driver Module harness is open or shorted, Motor Driver Module 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: P15A2 Honda indicates Motor Driver Module Voltage Signal Circuit Low Input.
Common causes: Common causes include Faulty Motor Driver Module, Motor Driver Module harness is open or shorted, Motor Driver Module 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 2,019

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 P15A2 Honda Description

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

OBDII Code P15A2 Honda - Motor Driver Module Voltage Signal Circuit Low Input - AutoCodes.com — P15A2 Honda Code - Motor Driver Module Voltage Signal Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P15A2 Honda?

Faulty Motor Driver Module
Motor Driver Module harness is open or shorted
Motor Driver Module circuit poor electrical connection

How to Fix the DTC P15A2 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 P15A2 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.

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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 P15A2 Honda Code

1. What are common symptoms of OBDII code P15A2 in a Honda related to the Motor Driver Module Voltage Signal Circuit Low Input?

- Common symptoms may include poor engine performance, stalling, rough idling, and the illumination of the check engine light.

2. What are some possible causes of OBDII code P15A2 in a Honda?

- Some possible causes include a faulty motor driver module, damaged wiring or connectors in the circuit, or a malfunction in the voltage signal system.

3. How serious is OBDII code P15A2 in a Honda?

- This code can affect the performance and drivability of the vehicle, so it is important to address it promptly to avoid potential engine damage or safety issues.

4. Can I still drive my Honda with OBDII code P15A2 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage or safety risks. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code P15A2 in my Honda?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific fault code, examining the motor driver module and related components, and testing the circuit for any faults.

6. Are there any DIY repair tips for fixing OBDII code P15A2 in a Honda?

- DIY repair may involve checking and repairing any damaged wiring or connectors in the circuit, replacing the motor driver module if necessary, or resetting the fault code after addressing the issue.

7. How much does it cost to fix OBDII code P15A2 in a Honda?

- The cost of repairs can vary depending on the specific cause of the code and whether professional help is needed. It is recommended to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

8. Can a faulty motor driver module be repaired or does it need to be replaced?

- In most cases, a faulty motor driver module will need to be replaced rather than repaired to ensure proper functioning of the system and to prevent future issues.

9. Will OBDII code P15A2 reset on its own after repairs are made?

- In some cases, the code may reset on its own after repairs are made and the issue is resolved. However, it is recommended to use a diagnostic scanner to clear the code manually to ensure it does not reoccur.

10. How can I prevent OBDII code P15A2 from occurring in my Honda in the future?

- Regular maintenance, including checking the electrical system, keeping the vehicle in good condition, and addressing any issues promptly, can help prevent the occurrence of this code in the future.