AutoCodes – Ford – P1651 2011 Ford Fusion

P1651 2011 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 2011 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 6,127
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 2011 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 2011 Ford Fusion - Power Steering Pressure Switch Input Fault - AutoCodes.com
P1651 2011 Ford Fusion Code - Power Steering Pressure Switch Input Fault

What are the Possible Causes of the DTC P1651 2011 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 2011 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 2011 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 2011 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 2011 Ford Fusion Code

What does the OBDII code P1651 mean on a 2011 Ford Fusion?

The P1651 code indicates a "Power Steering Pressure Switch Input Fault," meaning the engine control module (ECM) has detected an issue with the signal from the power steering pressure switch.

What are the common symptoms of P1651 in a 2011 Ford Fusion?

Common symptoms include a check engine light, stiff steering during low-speed maneuvers, and possible erratic idle or engine stalling during steering.

What causes the P1651 code to appear on a 2011 Ford Fusion?

The code can be triggered by a faulty power steering pressure switch, damaged wiring or connectors, or issues with the ECM.

Can I drive my 2011 Ford Fusion with the P1651 code?

While the car may still be drivable, ignoring the P1651 code can lead to steering difficulties and potential safety risks, especially during low-speed turns.

How do I diagnose the P1651 code on a 2011 Ford Fusion?

Start by inspecting the power steering pressure switch, checking for damaged wiring or loose connections. Use a multimeter to test the switch for proper function.

How do I fix the P1651 code on a 2011 Ford Fusion?

Repairs may involve replacing the power steering pressure switch, repairing damaged wiring, or addressing ECM-related issues if necessary.

How much does it cost to fix the P1651 code on a 2011 Ford Fusion?

Replacing the power steering pressure switch typically costs between $100-$250, depending on labor rates and parts pricing.

Can a faulty power steering pump cause the P1651 code?

A faulty power steering pump is less likely to cause this specific code but could lead to related steering issues that might be misdiagnosed.

How can I prevent the P1651 code from recurring?

Regularly inspect and maintain the power steering system, ensuring the pressure switch and wiring are in good condition.

Does the P1651 code affect fuel efficiency in a 2011 Ford Fusion?

Yes, it can indirectly affect fuel efficiency if the engine struggles with idle control due to the faulty power steering pressure switch.

Discuss the causes and fixes for P1651 2011 Ford Fusion OBDII Code

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