P186F Mitsubishi Code - High Side 3 System Voltage Low Range Out
Quick Answer
The Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors the system and the voltage of the high side 3 circuit is determined to be too low. Common causes include Faulty Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU), TC-SST-ECU harness is open or shorted, TC-SST-ECU 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
- P186F Mitsubishi indicates High Side 3 System Voltage Low Range Out.
- Common causes
- Common causes include Faulty Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU), TC-SST-ECU harness is open or shorted, TC-SST-ECU 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 P186F Mitsubishi Description
What are the Possible Causes of the DTC P186F Mitsubishi?
- Faulty Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU)
- TC-SST-ECU harness is open or shorted
- TC-SST-ECU circuit poor electrical connection
How to Fix the DTC P186F Mitsubishi?
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 P186F Mitsubishi 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 P186F Mitsubishi code?
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Frequently Asked Questions about P186F Mitsubishi Code
1. What are the common symptoms of OBDII code P186F (Mitsubishi) - High Side 3 System Voltage Low Range Out?
- Common symptoms include rough idle, engine stalling, poor acceleration, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P186F in a Mitsubishi vehicle?
- Possible causes include a faulty high side 3 voltage sensor, damaged wiring or connectors, low refrigerant level, or a malfunctioning compressor.
3. How serious is the OBDII code P186F - High Side 3 System Voltage Low Range Out in a Mitsubishi?
- This code should be addressed promptly as it can lead to poor engine performance, decreased fuel efficiency, and potential damage to the vehicle's air conditioning system.
4. Can I continue driving my Mitsubishi with the OBDII code P186F present?
- It is not recommended to drive the vehicle with this code present, as it may cause further damage to the engine or air conditioning system.
5. What are some DIY repair tips for addressing OBDII code P186F in a Mitsubishi?
- DIY repair tips include checking the high side 3 voltage sensor for proper operation, inspecting wiring and connectors for damage, and ensuring the refrigerant level is adequate.
6. How can I reset the OBDII code P186F in my Mitsubishi after making the necessary repairs?
- The code can be reset using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.
7. Can a low refrigerant level cause the OBDII code P186F to trigger in a Mitsubishi?
- Yes, a low refrigerant level can cause the high side 3 system voltage to drop, triggering the P186F fault code.
8. How can I prevent the OBDII code P186F from reoccurring in my Mitsubishi after repair?
- To prevent the code from reoccurring, perform regular maintenance on the air conditioning system, check refrigerant levels, and address any issues promptly.
9. Is it safe to ignore the OBDII code P186F (Mitsubishi) - High Side 3 System Voltage Low Range Out?
- Ignoring this code can lead to decreased engine performance and potential damage to the vehicle's air conditioning system, so it is not recommended to ignore it.
10. How much does it typically cost to repair the OBDII code P186F in a Mitsubishi at a mechanic or dealership?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
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