AutoCodes – Ford – P1709 2010 Ford Fusion

P1709 2010 Ford Fusion Code - Park/ Neutral Position Switch Out Of Self-Test Range

Quick Answer

The Park/Neutral Position (PNP) Switch completes the start circuit in PARK and NEUTRAL, the back-up lamp circuit in REVERSE, and a neutral sense circuit. Common causes include Faulty Park/Neutral Position (PNP) Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position Switch 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: P1709 2010 Ford Fusion indicates Park/ Neutral Position Switch Out Of Self-Test Range.
Common causes: Common causes include Faulty Park/Neutral Position (PNP) Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position Switch 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 2,024

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 Jul 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1709 2010 Ford Fusion Description

The Park/Neutral Position (PNP) Switch completes the start circuit in PARK and NEUTRAL, the back-up lamp circuit in REVERSE, and a neutral sense circuit. The sensor also opens/closes a set of four switches that are monitored by the Powertrain Control Module (PCM) to determine the position of the manual lever (P, R, N, (D), 2, 1). The Diagnostic Trouble Code (DTC) indicates that the voltage is high from the Park/Neutral Position Switch when it should be low.

OBDII Code P1709 2010 Ford Fusion - Park/ Neutral Position Switch Out Of Self-Test Range - AutoCodes.com — P1709 2010 Ford Fusion Code - Park/ Neutral Position Switch Out Of Self-Test Range

What does this mean?

What are the Possible Causes of the DTC P1709 2010 Ford Fusion?

Faulty Park/Neutral Position (PNP) Switch
Park/Neutral Position Switch harness is open or shorted
Park/Neutral Position Switch poor electrical connection
FaultyPowertrain Control Module (PCM)

How to Fix the DTC P1709 2010 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 P1709 2010 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 P1709 2010 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 P1709 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1709 in a 2010 Ford Fusion?

- Common symptoms include difficulty starting the vehicle, intermittent stalling, and issues shifting gears.

2. What does the OBDII code P1709 indicate in a 2010 Ford Fusion?

- The code P1709 indicates that the Park/Neutral Position (PNP) switch is out of the self-test range.

3. What are the possible causes of the P1709 code in a 2010 Ford Fusion?

- Possible causes include a faulty PNP switch, damaged wiring or connectors, misadjusted shift linkage, or issues with the transmission control module.

4. How can I diagnose the P1709 code in my 2010 Ford Fusion?

- Diagnosis involves checking the condition of the PNP switch, inspecting the wiring and connectors for damage, ensuring proper shift linkage adjustment, and scanning the transmission control module for related faults.

5. Can I drive my 2010 Ford Fusion with the P1709 code present?

- It is not recommended to drive the vehicle with the P1709 code present as it can lead to potential safety hazards and further damage to the transmission.

6. How can I repair the P1709 code in my 2010 Ford Fusion?

- Repair options include replacing the faulty PNP switch, repairing damaged wiring or connectors, adjusting the shift linkage properly, or reprogramming the transmission control module.

7. Is it safe to ignore the P1709 code in my 2010 Ford Fusion?

- Ignoring the P1709 code can lead to transmission issues and potential safety risks, so it is best to address the problem promptly.

8. Can a DIY enthusiast fix the P1709 code in a 2010 Ford Fusion?

- While some simple checks like inspecting wiring can be done by a DIY enthusiast, diagnosing and repairing the P1709 code may require professional expertise due to the complexity of the transmission system.

9. How much does it typically cost to repair the P1709 code in a 2010 Ford Fusion?

- The cost of repairing the P1709 code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Will resetting the OBDII code P1709 in my 2010 Ford Fusion make it go away permanently?

- Resetting the code may temporarily clear the check engine light, but if the underlying issue causing the P1709 code is not fixed, the code is likely to reappear.