AutoCodes – Mitsubishi – P0315 Mitsubishi

P0315 Mitsubishi Code - No Crank Sensor Learned

Quick Answer

The Crankshaft Position (CKP) sensor signal is monitored by the Engine Control Module (ECM) for errors. Common causes include Faulty Crankshaft Position (CKP), Crankshaft Position (CKP) sensor harness is open or shorted, Crankshaft Position (CKP) sensor 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: P0315 Mitsubishi indicates No Crank Sensor Learned.
Common causes: Common causes include Faulty Crankshaft Position (CKP), Crankshaft Position (CKP) sensor harness is open or shorted, Crankshaft Position (CKP) sensor 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 5,028

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0315 Mitsubishi Description

The Crankshaft Position (CKP) sensor signal is monitored by the Engine Control Module (ECM) for errors. The P0315 code is set when ECM is unable to learn and correct for mechanical inaccuracies in crankshaft pulse wheel tooth spacing.

OBDII Code P0315 Mitsubishi - No Crank Sensor Learned - AutoCodes.com — P0315 Mitsubishi Code - No Crank Sensor Learned

What does this mean?

What are the Possible Causes of the DTC P0315 Mitsubishi?

Faulty Crankshaft Position (CKP)
Crankshaft Position (CKP) sensor harness is open or shorted
Crankshaft Position (CKP) sensor circuit poor electrical connection
Damaged crankshaft pulse wheel teeth

How to Fix the DTC P0315 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 does this mean?

Code Tech Notes

Visual inspection of the Crankshaft Position (CKP) sensor and crankshaft pulse wheel teeth for damage. If crankshaft teethes are OK, replaced the Crankshaft Position sensor.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0315 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 P0315 Mitsubishi code?

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Need Help with the 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 P0315 Mitsubishi Code

1. What are the common symptoms of OBDII code P0315 in a Mitsubishi?

- The common symptoms include the engine not starting, rough idling, stalling, and potential misfiring during operation.

2. What does the OBDII code P0315 indicate in a Mitsubishi vehicle?

- The code indicates that the Engine Control Module (ECM) has not learned the Crankshaft Position Sensor's signal.

3. What are the possible causes of OBDII code P0315 in a Mitsubishi?

- Possible causes include a faulty crankshaft position sensor, poor electrical connection, sensor wiring issues, or a malfunctioning ECM.

4. How can I diagnose the issue related to OBDII code P0315 in my Mitsubishi?

- Diagnosis involves checking the crankshaft position sensor for proper operation, inspecting sensor wiring for damage, and testing the ECM for any faults.

5. Can driving with OBDII code P0315 in a Mitsubishi cause further damage?

- Continuing to drive with this code may lead to poor engine performance, potential stalling, and further damage to engine components over time.

6. Is it safe to ignore OBDII code P0315 in my Mitsubishi?

- Ignoring the code can result in unreliable engine operation and potential safety hazards. It is recommended to address the issue promptly.

7. How can I repair OBDII code P0315 in my Mitsubishi?

- Repair typically involves replacing the faulty crankshaft position sensor, repairing any damaged wiring, ensuring proper sensor connection, and resetting the ECM.

8. Can a DIY enthusiast fix OBDII code P0315 in a Mitsubishi?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to replace the crankshaft position sensor and address wiring issues.

9. Will resetting the ECM clear OBDII code P0315 in a Mitsubishi?

- Resetting the ECM may temporarily clear the code, but it is essential to address the root cause of the issue, such as a faulty sensor or wiring problem.

10. How long does it take to repair OBDII code P0315 in a Mitsubishi?

- The repair time can vary based on the extent of the issue and the individual's experience, but it typically takes a few hours to diagnose and replace the faulty components.