AutoCodes – Mitsubishi – P1868 Mitsubishi

P1868 Mitsubishi Code - High Side 2 System

Quick Answer

The Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors the system and the supply current to the high side 2 is determined to be short to the power supply. 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: P1868 Mitsubishi indicates High Side 2 System.
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.

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Code Popularity 1,193

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jan 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1868 Mitsubishi Description

The Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors the system and the supply current to the high side 2 is determined to be short to the power supply.

OBDII Code P1868 Mitsubishi - High Side 2 System - AutoCodes.com — P1868 Mitsubishi Code - High Side 2 System

What does this mean?

What are the Possible Causes of the DTC P1868 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 P1868 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 P1868 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 P1868 Mitsubishi code?

Need more information on how to fix the P1868 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1868 Mitsubishi code diagnosed by a professional: Find a repair shop in your area

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 P1868 Mitsubishi Code

1. What are the common symptoms of OBDII code P1868 Mitsubishi (High Side 2 System)?

The common symptoms of code P1868 in a Mitsubishi vehicle include rough idling, reduced engine performance, and potential stalling.

2. What causes the OBDII code P1868 Mitsubishi (High Side 2 System) to trigger?

Code P1868 is typically triggered by issues with the high side 2 system in the vehicle's fuel injection system, such as a faulty fuel injector or wiring problems.

3. How can I diagnose the OBDII code P1868 Mitsubishi (High Side 2 System)?

Diagnosing code P1868 involves using an OBDII scanner to retrieve the code, inspecting the high side 2 system components for any visible damage, and testing the fuel injectors and related wiring for proper functionality.

4. Can a dirty fuel injector cause OBDII code P1868 Mitsubishi (High Side 2 System)?

Yes, a dirty or clogged fuel injector can disrupt the proper functioning of the high side 2 system, leading to the triggering of code P1868 in a Mitsubishi vehicle.

5. What are some repair tips for addressing OBDII code P1868 Mitsubishi (High Side 2 System)?

Repairing code P1868 may involve cleaning or replacing the faulty fuel injector, repairing damaged wiring, or resetting the fault code with an OBDII scanner after fixing the underlying issue.

6. Is it safe to continue driving with OBDII code P1868 Mitsubishi (High Side 2 System) unresolved?

It is not recommended to drive with an unresolved P1868 code, as it can lead to further engine problems and potential safety hazards. It is best to address the issue promptly.

7. Can a DIY enthusiast fix OBDII code P1868 Mitsubishi (High Side 2 System)?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address code P1868 by cleaning or replacing the fuel injector, checking and repairing wiring, or seeking guidance from repair manuals.

8. How much does it typically cost to repair OBDII code P1868 Mitsubishi (High Side 2 System) at a mechanic?

The cost of repairing code P1868 at a mechanic can vary depending on the specific cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

9. Will resetting the OBDII code P1868 Mitsubishi (High Side 2 System) make it go away permanently?

Resetting the fault code may temporarily clear the warning light, but if the underlying issue causing code P1868 is not addressed, the code is likely to reappear after some driving cycles.

10. Are there any recalls related to OBDII code P1868 Mitsubishi (High Side 2 System)?

Recalls related to code P1868 are specific to certain vehicle models and manufacturing years. It is advisable to check with Mitsubishi or the National Highway Traffic Safety Administration (NHTSA) for any relevant recalls.