AutoCodes – Ford – P0815 2012 Ford Fusion

P0815 2012 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 2012 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,533

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0815 2012 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 2012 Ford Fusion - Upshift Switch Circuit Fault - AutoCodes.com — P0815 2012 Ford Fusion Code - Upshift Switch Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P0815 2012 Ford Fusion?

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

How to Fix the DTC P0815 2012 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 2012 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 2012 Ford Fusion code?

Need more information on how to fix the P0815 2012 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0815 2012 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P0815 in a 2012 Ford Fusion?

The common symptoms of OBDII code P0815 in a 2012 Ford Fusion include issues with upshifting or downshifting, hesitation or jerking during gear changes, and the inability to shift gears properly.

2. What does the OBDII code P0815 in a 2012 Ford Fusion indicate?

OBDII code P0815 in a 2012 Ford Fusion indicates a fault in the upshift switch circuit, which is responsible for controlling the transmission shifting.

3. What are the possible causes of OBDII code P0815 in a 2012 Ford Fusion?

Possible causes of OBDII code P0815 in a 2012 Ford Fusion include a faulty upshift switch, damaged wiring or connectors in the upshift circuit, or a malfunctioning transmission control module.

4. How can I diagnose OBDII code P0815 in a 2012 Ford Fusion?

Diagnosing OBDII code P0815 in a 2012 Ford Fusion involves using a scan tool to retrieve the code, checking the upshift switch and circuit for any visible damage, and testing the switch's functionality.

5. Can OBDII code P0815 in a 2012 Ford Fusion be fixed at home?

If the issue is a simple one like a loose wire connection, you may be able to fix OBDII code P0815 in a 2012 Ford Fusion at home. However, more complex issues may require professional diagnosis and repair.

6. Is it safe to continue driving with OBDII code P0815 in a 2012 Ford Fusion?

It is not recommended to continue driving with OBDII code P0815 in a 2012 Ford Fusion, as it can lead to further transmission problems and potential safety hazards on the road.

7. How much does it typically cost to repair OBDII code P0815 in a 2012 Ford Fusion?

The cost of repairing OBDII code P0815 in a 2012 Ford Fusion can vary depending on the root cause of the issue, but it may range from a few hundred to a thousand dollars including parts and labor.

8. Can a DIY enthusiast fix OBDII code P0815 in a 2012 Ford Fusion without professional help?

If you have the necessary tools, knowledge, and experience working on automotive electrical systems, you may be able to fix OBDII code P0815 in a 2012 Ford Fusion yourself. However, be cautious and seek professional help if needed.

9. How long does it take to repair OBDII code P0815 in a 2012 Ford Fusion?

The repair time for OBDII code P0815 in a 2012 Ford Fusion can vary depending on the complexity of the issue and the availability of parts. It may take a few hours to a full day for diagnosis and repair.

10. Are there any preventive maintenance tips to avoid OBDII code P0815 in a 2012 Ford Fusion?

To prevent OBDII code P0815 in a 2012 Ford Fusion, regular maintenance of the transmission system, including checking for any signs of wear or damage in the upshift circuit, is recommended.