AutoCodes – Ford – P0315 2002 Ford F150

P0315 2002 Ford F150 Code - Crankshaft Position System Variation Not 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 2002 Ford F150 indicates Crankshaft Position System Variation Not 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 3,186

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 2002 Ford F150 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 2002 Ford F150 - Crankshaft Position System Variation Not Learned - AutoCodes.com — P0315 2002 Ford F150 Code - Crankshaft Position System Variation Not Learned

What does this mean?

What are the Possible Causes of the DTC P0315 2002 Ford F150?

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 2002 Ford F150?

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 2002 Ford F150 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 2002 Ford F150 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 2002 Ford F150 Code

1. What are the common symptoms of OBDII code P0315 in a 2002 Ford F150?

The common symptoms of code P0315 in a 2002 Ford F150 include rough idling, stalling, poor acceleration, and difficulty starting the engine.

2. What does the OBDII code P0315 on a 2002 Ford F150 mean?

OBDII code P0315 on a 2002 Ford F150 indicates that the Crankshaft Position System Variation has not been learned by the PCM (Powertrain Control Module).

3. What are the possible causes of OBDII code P0315 in a 2002 Ford F150?

Possible causes for code P0315 in a 2002 Ford F150 include a faulty crankshaft position sensor, wiring issues, a damaged reluctor wheel, or a PCM software error.

4. How can I diagnose the OBDII code P0315 on my 2002 Ford F150?

To diagnose code P0315 on a 2002 Ford F150, start by checking the crankshaft position sensor and its wiring for any damage. Ensure the reluctor wheel is not damaged and perform a PCM software update if needed.

5. How can I repair OBDII code P0315 on a 2002 Ford F150?

To repair code P0315 on a 2002 Ford F150, replace the faulty crankshaft position sensor if necessary, repair any damaged wiring, ensure the reluctor wheel is in good condition, and perform a PCM relearn procedure.

6. Can I continue driving my 2002 Ford F150 with OBDII code P0315?

It is not recommended to continue driving your 2002 Ford F150 with code P0315, as it can lead to engine performance issues and potential stalling, which may pose a safety risk.

7. How much does it cost to fix OBDII code P0315 on a 2002 Ford F150?

The cost to fix OBDII code P0315 on a 2002 Ford F150 can vary depending on the underlying cause. Replacement of the crankshaft position sensor and related repairs may range from $100 to $300 or more.

8. How long does it take to repair OBDII code P0315 on a 2002 Ford F150?

The repair time for OBDII code P0315 on a 2002 Ford F150 can vary based on the diagnostic process and the extent of repairs needed. It may take a few hours to a full day to complete the repair.

9. Can a DIY enthusiast fix OBDII code P0315 on a 2002 Ford F150?

DIY enthusiasts with automotive repair experience and the necessary tools can attempt to fix OBDII code P0315 on a 2002 Ford F150. However, it is recommended to consult a professional if unsure.

10. Will resetting the OBDII code P0315 on my 2002 Ford F150 make it go away?

Resetting the OBDII code P0315 on a 2002 Ford F150 may temporarily clear the code, but it will likely return if the underlying issue causing the code is not addressed and repaired.