AutoCodes – Ford – P0815 2011 Ford Fusion

P0815 2011 Ford Fusion Code - Upshift Switch Circuit Fault

Quick Answer

The Transmission Control Module (TCM) monitors the Upshift Switch Circuit signal. Common causes include Faulty Upshift Switch, Upshift Switch harness is open or shorted, Upshift Switch 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: P0815 2011 Ford Fusion indicates Upshift Switch Circuit Fault.
Common causes: Common causes include Faulty Upshift Switch, Upshift Switch harness is open or shorted, Upshift Switch 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 1,822

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 May 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0815 2011 Ford Fusion Description

The Transmission Control Module (TCM) monitors the Upshift Switch Circuit signal. The TCM sets the OBDII code when the Upshift Switch Circuit signal is not to factory specifications.

OBDII Code P0815 2011 Ford Fusion - Upshift Switch Circuit Fault - AutoCodes.com — P0815 2011 Ford Fusion Code - Upshift Switch Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P0815 2011 Ford Fusion?

Faulty Upshift Switch
Upshift Switch harness is open or shorted
Upshift Switch circuit poor electrical connection

How to Fix the DTC P0815 2011 Ford Fusion?

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 P0815 2011 Ford Fusion 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 P0815 2011 Ford Fusion 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 P0815 2011 Ford Fusion Code

1. What does OBDII code P0815 for a 2011 Ford Fusion mean?

The P0815 code indicates a fault in the upshift switch circuit of the vehicle.

2. What are the common symptoms of a P0815 OBDII code in a 2011 Ford Fusion?

Common symptoms include issues with shifting gears, the inability to upshift, and the illumination of the check engine light.

3. What are the possible causes of a P0815 OBDII code in a 2011 Ford Fusion?

Potential causes include a faulty upshift switch, damaged wiring or connectors in the upshift switch circuit, or an issue with the transmission control module.

4. How can I diagnose a P0815 OBDII code in my 2011 Ford Fusion?

Diagnosing the code involves checking the condition of the upshift switch, inspecting the wiring and connectors for damage, and testing the transmission control module for any faults.

5. Can I continue driving my 2011 Ford Fusion with a P0815 OBDII code?

It is not recommended to continue driving the vehicle with a P0815 code as it can lead to potential transmission issues and further damage if left unresolved.

6. How do I repair a P0815 OBDII code in a 2011 Ford Fusion?

Repairing the P0815 code may involve replacing the upshift switch, repairing or replacing damaged wiring or connectors, or reprogramming the transmission control module.

7. Is it possible to reset a P0815 OBDII code in a 2011 Ford Fusion without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the check engine light, but the issue will likely reoccur.

8. Can a DIY enthusiast fix a P0815 OBDII code in a 2011 Ford Fusion?

While some aspects of diagnosing and repairing the code may be doable for DIY enthusiasts, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

9. How much does it typically cost to fix a P0815 OBDII code in a 2011 Ford Fusion?

The cost of fixing a P0815 code can vary depending on the underlying issue, but it may range from $100 to $500 or more, including parts and labor.

10. How long does it take to repair a P0815 OBDII code in a 2011 Ford Fusion?

The repair time for a P0815 code can vary based on the exact cause of the issue and the complexity of the repair needed, but it may take a few hours to a full day to complete the repair.