AutoCodes – Mitsubishi – P1023 Mitsubishi

P1023 Mitsubishi Code - Engine Oil Control Valve Circuit Bank 2

Quick Answer

P1023 Mitsubishi indicates Engine Oil Control Valve Circuit Bank 2. Common causes include Faulty engine oil control valve, Engine oil control valve harness is open or shorted, Engine oil control valve 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: P1023 Mitsubishi indicates Engine Oil Control Valve Circuit Bank 2.
Common causes: Common causes include Faulty engine oil control valve, Engine oil control valve harness is open or shorted, Engine oil control valve 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 6,609

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 Apr 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1023 Mitsubishi Description

OBDII Code P1023 Mitsubishi - Engine Oil Control Valve Circuit Bank 2 - AutoCodes.com — P1023 Mitsubishi Code - Engine Oil Control Valve Circuit Bank 2

What does this mean?

What are the Possible Causes of the DTC P1023 Mitsubishi?

Faulty engine oil control valve
Engine oil control valve harness is open or shorted
Engine oil control valve circuit poor electrical connection

How to Fix the DTC P1023 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 P1023 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 P1023 Mitsubishi code?

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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 P1023 Mitsubishi Code

1. What does the OBDII code P1023 mean on a Mitsubishi?

P1023 indicates an issue with the Engine Oil Control Valve (OCV) Circuit on Bank 2. It typically relates to a malfunction or irregular electrical signal in the OCV circuit.

2. What are the common symptoms of the P1023 code in a Mitsubishi?

Common symptoms include poor engine performance, rough idling, reduced fuel efficiency, and the check engine light being illuminated.

3. What causes the P1023 code on a Mitsubishi?

Causes may include a faulty oil control valve, damaged wiring or connectors in the OCV circuit, low engine oil levels, or contaminated oil.

4. Can low engine oil trigger the P1023 code in a Mitsubishi?

Yes, low or dirty engine oil can affect the operation of the oil control valve and trigger the P1023 code.

5. How do I diagnose the P1023 code on a Mitsubishi?

Start by checking the engine oil level and condition. Then inspect the OCV, wiring, and connectors for damage or corrosion. Use a multimeter to test for proper voltage and resistance in the circuit.

6. How do I fix the P1023 code on a Mitsubishi?

Repairs may include replacing the faulty oil control valve, repairing damaged wiring or connectors, or performing an oil change if the oil is dirty or low.

7. Can driving with a P1023 code damage my Mitsubishi engine?

Prolonged driving with this code may lead to poor performance and potential engine damage due to incorrect valve timing or insufficient oil flow.

8. How much does it cost to repair the P1023 code on a Mitsubishi?

Costs vary, but replacing an oil control valve typically ranges from $100 to $300, including parts and labor. Additional wiring repairs could increase the cost.

9. Is the P1023 code specific to Mitsubishi vehicles?

While P1023 may appear on other makes, its definition and diagnostic process can vary. On Mitsubishi vehicles, it specifically refers to the OCV circuit on Bank 2.

10. Can a faulty OCV cause other issues besides the P1023 code?

Yes, a faulty OCV can lead to problems such as poor acceleration, stalling, and increased emissions due to improper valve timing.