Engine-CodesFord – P1502 1998 Ford F150

P1502 1998 Ford F150 Code - Vehicle Speed Sensor Intermittent

Quick Answer

The P1502 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates an intermittent issue with the vehicle speed sensor. Common causes include Faulty vehicle speed sensor, Loose or corroded wiring connections, Damaged or worn-out VSS reluctor ring. 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
P1502 1998 Ford F150 indicates Vehicle Speed Sensor Intermittent.
Common causes
Common causes include Faulty vehicle speed sensor, Loose or corroded wiring connections, Damaged or worn-out VSS reluctor ring.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1502 1998 Ford F150 Description

The P1502 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates an intermittent issue with the vehicle speed sensor. The vehicle speed sensor (VSS) is a crucial component that measures the speed of the vehicle and sends this information to the engine control module (ECM) or powertrain control module (PCM). This data is essential for various vehicle systems, including the transmission, cruise control, and anti-lock braking system (ABS).

OBDII Code P1502 1998 Ford F150 - Vehicle Speed Sensor Intermittent
P1502 1998 Ford F150 Code - Vehicle Speed Sensor Intermittent

Common Causes of P1502 1998 Ford F150

  1. Faulty vehicle speed sensor
  2. Loose or corroded wiring connections
  3. Damaged or worn-out VSS reluctor ring
  4. ECM or PCM software issues
  5. Electrical interference or signal disruption

Symptoms of P1502 1998 Ford F150

  1. Inaccurate speedometer readings
  2. Erratic shifting patterns
  3. Cruise control malfunctions
  4. ABS system issues
  5. Vehicle going into limp mode

How to Fix P1502 1998 Ford F150

  1. Diagnose the issue by using a scan tool to read the DTC and inspect the VSS and related components.
  2. Test the VSS using a multimeter to check for proper resistance and voltage output.
  3. Replace the faulty VSS if it fails the tests, ensuring proper installation and connection.
  4. Inspect and repair any damaged wiring or connectors related to the VSS.
  5. Clear the DTC and test drive the vehicle to confirm the repair and ensure proper speed sensor operation.

Cost to Fix P1502 1998 Ford F150

The typical repair costs for a vehicle speed sensor intermittent issue on a 1998 Ford F150 can range from $150 to $300, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check local rates for a more accurate estimate. Auto repair shops commonly charge between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.

Tech Notes for P1502 1998 Ford F150

There is a Factory Service Bulletin for the 1998 Ford F-150:

1998 Ford F-150 Factory Service Bulletin OBDII Code P1502

When is the Code Detected?

The Powertrain Control Module (PCM) detected an intermittent condition on the vehicle speed sensor circuit

Need more information about the P1502 1998 Ford F150 code?

Need more information on how to fix the P1502 1998 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1502 1998 Ford F150 code diagnosed by a professional: Find a repair shop in your area

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 P1502 1998 Ford F150 Code

1. What are the common symptoms of OBDII code P1502 in a 1998 Ford F150 related to the Vehicle Speed Sensor Intermittent issue?

The common symptoms include erratic speedometer readings, incorrect gear shifting, and the check engine light illuminating.

2. What could be the possible causes of OBDII code P1502 in a 1998 Ford F150 indicating a Vehicle Speed Sensor Intermittent problem?

Possible causes include a faulty vehicle speed sensor, damaged wiring or connectors, or a malfunctioning speedometer.

3. How can I diagnose the Vehicle Speed Sensor Intermittent issue causing OBDII code P1502 in my 1998 Ford F150?

You can diagnose the problem by conducting a visual inspection of the speed sensor and its connections, testing the sensor's output signal, and checking for any damaged wiring.

4. Can a Vehicle Speed Sensor Intermittent issue triggering OBDII code P1502 in a 1998 Ford F150 cause any other problems with the vehicle?

Yes, a faulty vehicle speed sensor can lead to issues with the vehicle's speedometer accuracy, transmission shifting, and overall drivability.

5. What are some repair tips for addressing the Vehicle Speed Sensor Intermittent issue associated with OBDII code P1502 in a 1998 Ford F150?

Try cleaning the speed sensor and its connections, replacing the sensor if necessary, and ensuring all wiring is intact and properly connected.

6. Is it safe to continue driving my 1998 Ford F150 with OBDII code P1502 indicating a Vehicle Speed Sensor Intermittent problem?

It is not recommended to continue driving the vehicle as the inaccurate speed readings can affect the proper functioning of the transmission and other systems.

7. How much does it typically cost to repair the Vehicle Speed Sensor Intermittent issue causing OBDII code P1502 in a 1998 Ford F150?

The cost of repair can vary depending on the extent of the issue, but it may range from around $100 to $300 for parts and labor.

8. Can resetting the OBDII code P1502 related to the Vehicle Speed Sensor Intermittent problem in my 1998 Ford F150 fix the issue permanently?

Resetting the code may temporarily clear the check engine light, but if the underlying problem with the speed sensor persists, the code is likely to return.

9. Will a Vehicle Speed Sensor Intermittent issue causing OBDII code P1502 affect the fuel efficiency of my 1998 Ford F150?

While the direct impact on fuel efficiency may be minimal, it is important to address the speed sensor issue promptly to avoid potential further damage and drivability issues.

10. Can a DIY enthusiast with basic automotive knowledge repair the Vehicle Speed Sensor Intermittent issue linked to OBDII code P1502 in a 1998 Ford F150?

Yes, depending on the extent of the problem, a DIY enthusiast with basic automotive knowledge may be able to address the issue by following repair guides and utilizing the necessary tools.

Discuss the causes and fixes for P1502 1998 Ford F150 OBDII Code

Code P1502 1998 Ford F150 comments

No comments found for this page.