AutoCodes – Ford – P1651 2001 Ford F150

P1651 2001 Ford F150 Code - Power Steering Pressure Switch Input Malfunction

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 2001 Ford F150 indicates Power Steering Pressure Switch Input Malfunction.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,287
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 2001 Ford F150 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 2001 Ford F150 - Power Steering Pressure Switch Input Malfunction - AutoCodes.com
P1651 2001 Ford F150 Code - Power Steering Pressure Switch Input Malfunction

What are the Possible Causes of the DTC P1651 2001 Ford F150?

  • 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 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1651 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 P1651 2001 Ford F150 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 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P1651 on a 2001 Ford F150 indicating a Power Steering Pressure Switch Input Malfunction?

The common symptoms include hard steering, power steering fluid leaks, illuminated power steering warning light on the dashboard, and the power steering system not working properly.

2. What are the possible causes of OBDII code P1651 on a 2001 Ford F150 related to the Power Steering Pressure Switch Input Malfunction?

The possible causes can include a faulty power steering pressure switch, damaged wiring or connectors in the power steering system, low power steering fluid level, or a malfunctioning power steering pump.

3. How can I diagnose OBDII code P1651 on a 2001 Ford F150 associated with the Power Steering Pressure Switch Input Malfunction?

Diagnosis involves using an OBDII scanner to retrieve the trouble code, inspecting the power steering pressure switch and its wiring for any visible damage, checking the power steering fluid level, and testing the power steering system for proper functionality.

4. What are the recommended repair tips for addressing OBDII code P1651 on a 2001 Ford F150 due to the Power Steering Pressure Switch Input Malfunction?

Repair tips may include replacing the faulty power steering pressure switch, repairing or replacing damaged wiring or connectors, ensuring the power steering fluid is at the correct level, and testing the power steering system after repairs are made.

5. Can I drive my 2001 Ford F150 with OBDII code P1651 indicating a Power Steering Pressure Switch Input Malfunction?

It is not recommended to drive the vehicle with this code present as it can lead to unsafe driving conditions due to potential power steering system malfunctions. It is best to address the issue promptly.

6. How much does it typically cost to repair OBDII code P1651 on a 2001 Ford F150 related to the Power Steering Pressure Switch Input Malfunction?

The cost of repair can vary depending on the exact cause of the issue. It may involve a simple fix like replacing a faulty switch or more complex repairs if there are underlying power steering system problems. Costs can range from $100 to $500 or more.

7. Will resetting the OBDII code P1651 on a 2001 Ford F150 make the issue go away permanently?

Resetting the code may temporarily turn off the warning light, but the underlying problem causing the Power Steering Pressure Switch Input Malfunction will still exist. It is important to diagnose and repair the issue to prevent further complications.

8. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P1651 on a 2001 Ford F150 themselves?

Depending on the exact cause of the code, a DIY enthusiast may be able to address the issue by replacing the power steering pressure switch or checking for any visible wiring damage. However, more complex issues may require professional intervention.

9. Is it safe to continue driving my 2001 Ford F150 if the power steering is not working due to OBDII code P1651?

Driving without functional power steering can be dangerous, especially at low speeds or when making tight turns. It is recommended to address the issue promptly to ensure safe driving conditions.

10. How long does it typically take to repair OBDII code P1651 on a 2001 Ford F150 associated with the Power Steering Pressure Switch Input Malfunction?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair. Simple fixes like replacing a switch may take an hour or two, while more involved repairs can take several hours or more.

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