AutoCodes – Ford – P1780 2012 Ford Fusion

P1780 2012 Ford Fusion Code - Transmission Control Switch Circuit is Out of Self-Test Range

Quick Answer

The Transmission Control Switch (TCS) is a momentary contact switch that is located on the end of the transmission control selector lever. Common causes include Transmission Control Switch (TCS) not cycled during the self-test, Faulty Transmission Control Switch, Transmission Control Switch harness is open or shorted. 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
P1780 2012 Ford Fusion indicates Transmission Control Switch Circuit is Out of Self-Test Range.
Common causes
Common causes include Transmission Control Switch (TCS) not cycled during the self-test, Faulty Transmission Control Switch, Transmission Control Switch harness is open or shorted.
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 7,663
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 01, 2020
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Code P1780 2012 Ford Fusion Description

The Transmission Control Switch (TCS) is a momentary contact switch that is located on the end of the transmission control selector lever. Pushing the TCS will either disengage or engage the overdrive function of the transmission. During Key ON Engine Running (KOER) self-test the TCS must be cycled, the Diagnostic Trouble Code (DTC) will set anytime Powertrain Control Module (PCM) detects a TCS out of self-test range.
OBDII Code P1780 2012 Ford Fusion - Transmission Control Switch Circuit is Out of Self-Test Range - AutoCodes.com
P1780 2012 Ford Fusion Code - Transmission Control Switch Circuit is Out of Self-Test Range

What are the Possible Causes of the DTC P1780 2012 Ford Fusion?

  • Transmission Control Switch (TCS) not cycled during the self-test
  • Faulty Transmission Control Switch
  • Transmission Control Switch harness is open or shorted
  • Transmission Control Switch circuit poor electrical connection

How to Fix the DTC P1780 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 P1780 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 P1780 2012 Ford Fusion code?

Need more information on how to fix the P1780 2012 Ford Fusion code? Get Access to Factory Service Manuals

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 P1780 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P1780 in a 2012 Ford Fusion?

The common symptoms of code P1780 in a 2012 Ford Fusion may include issues with shifting gears, the transmission stuck in one gear, or the transmission not shifting smoothly.

2. What does the OBDII code P1780 in a 2012 Ford Fusion mean?

OBDII code P1780 in a 2012 Ford Fusion indicates that the Transmission Control Switch Circuit is Out of Self-Test Range. This means there is an issue with the circuit that controls the transmission switch.

3. What are the possible causes of OBDII code P1780 in a 2012 Ford Fusion?

Possible causes of code P1780 in a 2012 Ford Fusion include a faulty transmission control switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module.

4. How can I diagnose the OBDII code P1780 in a 2012 Ford Fusion?

Diagnosing code P1780 in a 2012 Ford Fusion involves using an OBDII scanner to retrieve the code, checking the transmission control switch and its circuit for any visible damage, and testing the switch's functionality.

5. How can I repair OBDII code P1780 in a 2012 Ford Fusion?

To repair code P1780 in a 2012 Ford Fusion, you may need to replace the transmission control switch, repair any damaged wiring or connectors in the circuit, or reprogram the transmission control module if needed.

6. Can OBDII code P1780 in a 2012 Ford Fusion cause further damage if left untreated?

If left untreated, OBDII code P1780 in a 2012 Ford Fusion can potentially lead to further transmission issues, such as poor shifting performance, transmission failure, or damage to other transmission components.

7. Is it safe to continue driving a 2012 Ford Fusion with OBDII code P1780?

It is not recommended to continue driving a 2012 Ford Fusion with OBDII code P1780, as it can affect the transmission's performance and potentially lead to more severe issues. It's best to address the problem promptly.

8. How much does it typically cost to fix OBDII code P1780 in a 2012 Ford Fusion?

The cost to fix OBDII code P1780 in a 2012 Ford Fusion can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

9. Can I reset the OBDII code P1780 in a 2012 Ford Fusion myself?

You can reset the OBDII code P1780 in a 2012 Ford Fusion using an OBDII scanner or by disconnecting the car battery for a few minutes. However, it's important to address the underlying issue causing the code to prevent it from reoccurring.

10. How often does OBDII code P1780 occur in a 2012 Ford Fusion?

OBDII code P1780 in a 2012 Ford Fusion can occur due to various reasons, and its frequency may vary depending on the vehicle's condition and maintenance history. If the issue is properly diagnosed and repaired, it should not occur frequently.

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