AutoCodes – Mitsubishi – P0593 Mitsubishi

P0593 Mitsubishi Code - Speed Control Switch 2 Circuit High

Quick Answer

The Engine Control Module (ECM) monitors the Speed Speed Control Switch 2. Common causes include Faulty Speed Control Switch, Speed Control Switch harness is open or shorted, Speed Control Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P0593 Mitsubishi indicates Speed Control Switch 2 Circuit High.
Common causes: Common causes include Faulty Speed Control Switch, Speed Control Switch harness is open or shorted, Speed Control Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 2,867

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0593 Mitsubishi Description

The Engine Control Module (ECM) monitors the Speed Speed Control Switch 2. The ECM sets the OBDII code when the Speed Control Switch 2 is not to factory specifications.

OBDII Code P0593 Mitsubishi - Speed Control Switch 2 Circuit High - AutoCodes.com — P0593 Mitsubishi Code - Speed Control Switch 2 Circuit High

What does this mean?

What are the Possible Causes of the DTC P0593 Mitsubishi?

Faulty Speed Control Switch
Speed Control Switch harness is open or shorted
Speed Control Switch circuit poor electrical connection

How to Fix the DTC P0593 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 P0593 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 P0593 Mitsubishi code?

Need more information on how to fix the P0593 Mitsubishi code? Get Access to Factory Service Manuals

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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 P0593 Mitsubishi Code

1. What are the common symptoms of OBDII code P0593 in a Mitsubishi related to the Speed Control Switch 2 Circuit High?

- Common symptoms include the vehicle's speed control system not functioning properly, the cruise control not working, and the check engine light being illuminated.

2. What are the possible causes of the Speed Control Switch 2 Circuit High error code (P0593) in a Mitsubishi?

- Possible causes may include a faulty speed control switch, damaged wiring or connectors in the speed control circuit, or a malfunctioning PCM (Powertrain Control Module).

3. How can I diagnose the Speed Control Switch 2 Circuit High error code (P0593) in my Mitsubishi?

- Diagnosis typically involves checking the speed control switch for proper operation, inspecting the wiring and connectors for any damage, and using a scan tool to read the code and related data.

4. Can I still drive my Mitsubishi with the P0593 error code related to the Speed Control Switch 2 Circuit High?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper operation of the speed control system.

5. How can I repair the Speed Control Switch 2 Circuit High issue (P0593) in my Mitsubishi?

- Repair options may include replacing the speed control switch, repairing any damaged wiring or connectors, or reprogramming the PCM if necessary.

6. Is it possible to reset the OBDII code P0593 related to the Speed Control Switch 2 Circuit High in my Mitsubishi?

- Resetting the code can be done with an OBDII scanner, but it is important to address the underlying issue causing the code before clearing it to prevent it from returning.

7. Does the Speed Control Switch 2 Circuit High error code (P0593) affect the overall performance of my Mitsubishi?

- While the code may not directly impact the performance of the vehicle, it can affect the functionality of the speed control system and cruise control feature.

8. Are there any DIY tips for troubleshooting the P0593 error code in my Mitsubishi?

- DIY tips may include visually inspecting the speed control switch and associated wiring, checking for loose connections, and ensuring the switch operates smoothly.

9. Can a mechanic help me diagnose and fix the Speed Control Switch 2 Circuit High error code (P0593) in my Mitsubishi?

- Yes, a qualified mechanic can perform a thorough diagnosis using specialized tools and expertise to pinpoint the exact cause of the error code and recommend appropriate repairs.

10. How long does it typically take to repair the OBDII code P0593 related to the Speed Control Switch 2 Circuit High in a Mitsubishi?

- The repair time can vary depending on the underlying issue. Simple fixes like replacing a switch or repairing wiring may take a few hours, while more complex problems could require more time.