P1586 Honda Code - Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem
Quick Answer
Motor Power Inverter (MPI) Module control the DC/AC conversion (From the Integrated Motor Assisted (IMA) battery's 144 V DC to the IMA motor's 3-phase AC and vice versa). Common causes include Faulty Battery Module, Motor Power Inverter Module harness is open or shorted, Motor Power Inverter 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
- P1586 Honda indicates Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem.
- Common causes
- Common causes include Faulty Battery Module, Motor Power Inverter Module harness is open or shorted, Motor Power Inverter 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.
Code P1586 Honda Description
The MPI module is air cooled. The heat fed through the heat sink is exhausted to the trunk compartment by the Intelligent Power Unit (IPU) module fan. The MPI module has a built-in temperature sensor. The sensor transmits temperature data to the Motor Control Module (MCM) for protection
What are the Possible Causes of the DTC P1586 Honda?
- Faulty Battery Module
- Motor Power Inverter Module harness is open or shorted
- Motor Power Inverter Module circuit poor electrical connection
How to Fix the DTC P1586 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 P1586 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 P1586 Honda code?
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Information for Specific Honda Models
- P1586 2003 Honda Civic Hybrid — Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem
- P1586 2004 Honda Civic Hybrid — Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem
- P1586 2005 Honda Civic Hybrid — Motor Power Inverter Module Current Signal/Battery Current Signal Circuit Problem
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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