AutoCodes – Ford – P1651 1997 Ford F150

P1651 1997 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 1997 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.

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Code Popularity 2,187

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1651 1997 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 1997 Ford F150 - Power Steering Pressure Switch Input Malfunction - AutoCodes.com — P1651 1997 Ford F150 Code - Power Steering Pressure Switch Input Malfunction

What does this mean?

What are the Possible Causes of the DTC P1651 1997 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 1997 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 1997 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 1997 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 P1651 1997 Ford F150 Code

1. What are the common symptoms of OBDII code P1651 in a 1997 Ford F150?

- Common symptoms include loss of power steering assistance, illuminated power steering warning light on the dashboard, and potential difficulty steering the vehicle.

2. What does the OBDII code P1651 on a 1997 Ford F150 indicate?

- OBDII code P1651 indicates a malfunction in the power steering pressure switch input circuit.

3. What are the possible causes of a Power Steering Pressure Switch Input Malfunction in a 1997 Ford F150?

- Possible causes include a faulty power steering pressure switch, damaged wiring or connectors in the circuit, or a problem with the power steering control module.

4. How can I diagnose the Power Steering Pressure Switch Input Malfunction in my 1997 Ford F150?

- Diagnose the issue by checking the power steering pressure switch for proper operation, inspecting the wiring and connectors for any damage, and using a diagnostic scanner to read the trouble codes.

5. Can I drive my 1997 Ford F150 with OBDII code P1651?

- It is not recommended to drive the vehicle with OBDII code P1651 as it can result in loss of power steering assistance, making it difficult to steer the vehicle safely.

6. How can I repair OBDII code P1651 on my 1997 Ford F150?

- Repair options include replacing the power steering pressure switch, repairing any damaged wiring or connectors, or reprogramming the power steering control module if necessary.

7. Will resetting the OBDII code P1651 on my 1997 Ford F150 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the malfunction is not addressed, the code is likely to reappear.

8. Is it safe to continue driving my 1997 Ford F150 if the power steering warning light is on?

- It is not safe to continue driving if the power steering warning light is on, as it indicates a potential issue with the power steering system that can affect your ability to steer the vehicle.

9. How much does it typically cost to repair OBDII code P1651 in a 1997 Ford F150?

- The cost of repairs can vary depending on the exact cause of the malfunction, but it may range from $100 to $300 for parts and labor.

10. Can I fix OBDII code P1651 in my 1997 Ford F150 myself?

- Depending on your level of automotive knowledge and experience, you may be able to address the issue yourself by following repair guides or seeking assistance from a professional mechanic.