AutoCodesFord – P1780 2001 Ford F150

P1780 2001 Ford F150 Code - Transmission Control Switch 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 2001 Ford F150 indicates Transmission Control Switch 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 8,111
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 2001 Ford F150 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 2001 Ford F150 - Transmission Control Switch Out of Self-Test Range - AutoCodes.com
P1780 2001 Ford F150 Code - Transmission Control Switch Out of Self-Test Range

What are the Possible Causes of the DTC P1780 2001 Ford F150?

  • 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 2001 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1780 2001 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 P1780 2001 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 P1780 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P1780 in a 2001 Ford F150?

The common symptoms include harsh shifting, transmission slipping, illuminated Check Engine Light, and the inability to shift gears properly.

2. What can cause the Transmission Control Switch Out of Self-Test Range code in a 2001 Ford F150?

Possible causes of code P1780 include a faulty transmission control switch, damaged wiring or connectors, a malfunctioning transmission range sensor, or issues with the transmission control module.

3. How serious is the P1780 OBDII code in a 2001 Ford F150?

The P1780 code can affect the drivability of the vehicle and may lead to further transmission problems if left unresolved. It is recommended to address this issue promptly.

4. How can I diagnose the Transmission Control Switch Out of Self-Test Range code in my 2001 Ford F150?

Diagnosing the P1780 code typically involves using a scan tool to retrieve the code, checking the transmission control switch and related components for faults, and conducting a thorough visual inspection of the wiring and connectors.

5. Can I drive my 2001 Ford F150 with OBDII code P1780?

It is not recommended to drive the vehicle with the P1780 code present, as it may lead to further damage to the transmission. It is best to address the issue as soon as possible.

6. What are some repair tips for fixing the P1780 code in a 2001 Ford F150?

Repair tips include checking and replacing the transmission control switch, inspecting and repairing any damaged wiring or connectors, testing the transmission range sensor, and resetting the transmission control module.

7. How much does it cost to fix the Transmission Control Switch Out of Self-Test Range code in a 2001 Ford F150?

The cost of fixing the P1780 code can vary depending on the exact cause of the issue and whether you perform the repairs yourself or take the vehicle to a mechanic. Costs may include parts and labor.

8. Can a DIY enthusiast fix the P1780 code in a 2001 Ford F150?

Yes, a DIY enthusiast with the necessary tools and knowledge of automotive repair may be able to fix the P1780 code. However, it is important to follow proper diagnostic procedures and repair techniques.

9. How long does it take to repair the P1780 code in a 2001 Ford F150?

The repair time for the P1780 code can vary depending on the complexity of the issue and your level of experience. It may take a few hours to a full day to diagnose and repair the problem.

10. Will resetting the OBDII code P1780 in my 2001 Ford F150 make it go away permanently?

Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing the P1780 code is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.

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