AutoCodesFord – P1651 2006 Ford Fusion

P1651 2006 Ford Fusion Code - Power Steering Pressure Switch Input Fault

Quick Answer

The Powertrain Control Module (PCM) counts the number of vehicle speed transitions from 0 to a calibrated speed. Common causes include Vehicle towed with engine running, Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P1651 2006 Ford Fusion indicates Power Steering Pressure Switch Input Fault.
Common causes
Common causes include Vehicle towed with engine running, Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 3,547
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2019
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Code P1651 2006 Ford Fusion Description

The Powertrain Control Module (PCM) counts the number of vehicle speed transitions from 0 to a calibrated speed. After a calibrated number of speed transitions, the PCM expects the Power Steering Pressure (PSP) input to change. This DTC is set if the transition is not detected.
OBDII Code P1651 2006 Ford Fusion - Power Steering Pressure Switch Input Fault - AutoCodes.com
P1651 2006 Ford Fusion Code - Power Steering Pressure Switch Input Fault

What are the Possible Causes of the DTC P1651 2006 Ford Fusion?

  • Vehicle towed with engine running
  • Faulty Power Steering Pressure (PSP)
  • Power Steering Pressure (PSP) harness is open or shorted
  • Power Steering Pressure (PSP) circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1651 2006 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 P1651 2006 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 P1651 2006 Ford Fusion code?

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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 P1651 2006 Ford Fusion Code

1. What does the OBDII code P1651 mean on a 2006 Ford Fusion?

P1651 indicates a Power Steering Pressure Switch Input Fault, meaning the PCM is not receiving a proper signal from the power steering pressure switch.

2. What are the symptoms of a P1651 code on a 2006 Ford Fusion?

Common symptoms include stiff or unresponsive power steering, difficulty steering at low speeds, and the Check Engine Light turning on.

3. What causes the P1651 code to appear on a 2006 Ford Fusion?

Possible causes include a faulty power steering pressure switch, damaged or corroded wiring, a poor electrical connection, or a malfunctioning PCM.

4. Can a P1651 code affect drivability?

Yes, a P1651 code can make steering more difficult, especially at low speeds, potentially impacting vehicle safety.

5. How is the P1651 code diagnosed on a 2006 Ford Fusion?

A technician will inspect the power steering pressure switch, check for wiring issues, and use a scan tool to monitor switch input signals to the PCM.

6. Can I drive my 2006 Ford Fusion with a P1651 code?

While it may be possible to drive, reduced power steering assist can make the vehicle harder to handle, especially at low speeds, so it’s best to address the issue promptly.

7. How do you fix the P1651 code on a 2006 Ford Fusion?

Repairs may involve replacing the power steering pressure switch, repairing damaged wiring, cleaning corrosion from connectors, or in rare cases, replacing the PCM.

8. How much does it cost to fix a P1651 code on a 2006 Ford Fusion?

Repair costs can range from $100 to $300, depending on whether the issue is with the switch, wiring, or connectors. PCM replacement would be more expensive.

9. Can a loose connection cause a P1651 code on a 2006 Ford Fusion?

Yes, a loose or corroded connection between the power steering pressure switch and the PCM can trigger the P1651 code.

10. Will resetting the Check Engine Light fix the P1651 code?

Resetting the light may temporarily clear the code, but the underlying issue must be repaired to prevent the code from returning.

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