Engine-CodesHonda – P1586 Honda

P1586 Honda Code - Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem

Quick Answer

The P1586 code for Honda vehicles indicates a problem with the Motor Power Inverter Module Current Signal/Battery Current Signal Circuit. Common causes include Damaged wiring or connectors, Faulty Motor Power Inverter Module, Issues with the hybrid battery. 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
P1586 Honda indicates Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem.
Common causes
Common causes include Damaged wiring or connectors, Faulty Motor Power Inverter Module, Issues with the hybrid battery.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1586 Honda Description

The P1586 code for Honda vehicles indicates a problem with the Motor Power Inverter Module Current Signal/Battery Current Signal Circuit. This issue can have a significant impact on the performance of the vehicle, particularly on its hybrid powertrain system. The Motor Power Inverter Module is responsible for converting DC power from the hybrid battery into AC power to drive the electric motor. If there is a problem with the current signal circuit, it can lead to issues with the power delivery to the electric motor, resulting in reduced performance and efficiency.

OBDII Code P1586 Honda - Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem
P1586 Honda Code - Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem

Common Causes of P1586 Honda

  1. Damaged wiring or connectors
  2. Faulty Motor Power Inverter Module
  3. Issues with the hybrid battery
  4. Corrosion or moisture in the electrical system
  5. Software issues with the hybrid control module

Symptoms of P1586 Honda

  1. Reduced power and acceleration
  2. Poor fuel efficiency
  3. Check engine light illuminated
  4. Inability to switch between electric and hybrid mode
  5. Vehicle going into "limp mode" to protect the hybrid system

How to Fix P1586 Honda

  1. Diagnose the root cause of the issue by performing a thorough inspection of the current signal circuit, wiring, connectors, and inverter module.
  2. Repair or replace any damaged wiring or connectors.
  3. Test the inverter module and replace it if necessary.
  4. Check the hybrid battery for any issues and address them accordingly.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the problem has been resolved.

Cost to Fix P1586 Honda

The cost of repairing a P1586 code can vary depending on the extent of the issue and the specific components that need to be replaced. In general, the repair costs for this type of problem can range from $200 to $800, including parts and labor. However, it's important to keep in mind that labor rates at auto repair shops can vary, so it's recommended to get a few quotes from different shops to find the best price. Additionally, the cost may be higher if there are additional issues found during the diagnostic process that need to be addressed.

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Information for Specific Honda Models

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 P1586 Honda Code

1. What are common symptoms of OBDII code P1586 on a Honda?

Common symptoms may include reduced engine power, poor acceleration, and the vehicle going into limp mode.

2. What causes the Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem (P1586) in a Honda?

This code is typically triggered by issues with the motor power inverter module, battery current signal circuit, or related wiring faults.

3. How can I diagnose the P1586 code on my Honda?

Diagnosis often involves checking the motor power inverter module, inspecting the battery current signal circuit, and testing related wiring for continuity and proper voltage.

4. Can a DIYer repair the P1586 code on a Honda?

Repairing this code may require specialized tools and knowledge of hybrid vehicle systems. It is recommended to seek professional help for proper diagnosis and repair.

5. Is it safe to continue driving with the P1586 code present in a Honda?

Continuing to drive with this code present can potentially cause further damage to the vehicle's hybrid system. It is advised to address the issue promptly.

6. How much does it typically cost to repair the P1586 code on a Honda?

The cost of repair can vary depending on the exact cause of the issue, parts needed, and labor costs. It's best to consult a mechanic for an accurate estimate.

7. Can a faulty battery cause the P1586 code to appear on a Honda?

Yes, a weak or failing battery can sometimes trigger the P1586 code due to issues with the battery current signal circuit.

8. Are there any preventative measures to avoid the P1586 code in a Honda?

Regular maintenance of the hybrid system, checking the battery health, and addressing any warning signs promptly can help prevent the occurrence of the P1586 code.

9. Will resetting the OBDII system clear the P1586 code on a Honda?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

10. How long does it take to repair the Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem on a Honda?

The repair time can vary depending on the exact cause of the issue and the availability of parts. It is recommended to consult with a qualified mechanic for a more accurate estimate of repair time.

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