Engine-CodesFord – P0606 1998 Ford F150

P0606 1998 Ford F150 Code - Powertrain Control Module Internal Communication Error

Quick Answer

The P0606 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates a Powertrain Control Module (PCM) internal communication error. Common causes include Damaged wiring or connectors, Faulty PCM, Software glitches. 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
P0606 1998 Ford F150 indicates Powertrain Control Module Internal Communication Error.
Common causes
Common causes include Damaged wiring or connectors, Faulty PCM, Software glitches.
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 27, 2024
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Code P0606 1998 Ford F150 Description

The P0606 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates a Powertrain Control Module (PCM) internal communication error. The PCM is essentially the brain of the vehicle, responsible for controlling various functions such as engine performance, transmission shifting, and emissions systems. When the PCM encounters an internal communication error, it means that there is a problem with the module's ability to communicate with other modules or sensors within the vehicle. This can lead to a range of issues affecting the vehicle's performance and drivability.

OBDII Code P0606 1998 Ford F150 - Powertrain Control Module Internal Communication Error
P0606 1998 Ford F150 Code - Powertrain Control Module Internal Communication Error

Common Causes of P0606 1998 Ford F150

  1. Damaged wiring or connectors
  2. Faulty PCM
  3. Software glitches
  4. Issues with other modules or sensors in the vehicle

Symptoms of P0606 1998 Ford F150

  1. Engine misfires
  2. Rough idling
  3. Stalling
  4. Poor fuel efficiency
  5. Inability to start the vehicle

How to Fix P0606 1998 Ford F150

  1. Begin by conducting a thorough inspection of the wiring and connectors associated with the PCM to check for any damage or corrosion. Repair or replace any damaged components.
  2. Use a diagnostic scan tool to check for any software glitches in the PCM. Update the software if necessary.
  3. Test the PCM for faults using a multimeter or oscilloscope. Replace the PCM if it is found to be faulty.
  4. Check other modules and sensors in the vehicle for any issues that may be affecting communication with the PCM. Repair or replace as needed.
  5. Clear the DTC and perform a test drive to ensure that the issue has been resolved.

Cost to Fix P0606 1998 Ford F150

The typical repair costs for addressing a P0606 code on a 1998 Ford F150 can range from $200 to $600, including parts and labor. However, it's important to note that 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. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It is recommended to check local rates for a more accurate estimate.

Tech Notes for P0606 1998 Ford F150

Check the Powertrain Control Module (PCM) fuse, if the fuse is OK, try erasing the code first and if the code comes back you may have to reprogram or replace the PCM.

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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 P0606 1998 Ford F150 Code

1. What does the OBDII code P0606 mean for a 1998 Ford F150?

P0606 indicates an internal communication error within the Powertrain Control Module (PCM), which means the PCM has failed a self-check or detected an internal fault.

2. What are common symptoms of the P0606 code in a 1998 Ford F150?

Common symptoms include poor engine performance, stalling, failure to start, rough idling, and the check engine light being illuminated.

3. What causes the P0606 code in a 1998 Ford F150?

Possible causes include a faulty PCM, poor electrical connections, corroded or damaged wiring, or issues with the vehicle’s power supply to the PCM.

4. Can a faulty battery cause the P0606 code in a 1998 Ford F150?

Yes, a weak or failing battery can cause voltage fluctuations, which may trigger the P0606 code by affecting the PCM's functionality.

5. How do I diagnose the P0606 code in a 1998 Ford F150?

Start by inspecting the battery, wiring, and PCM connections for damage or corrosion. If no issues are found, further testing of the PCM using specialized diagnostic tools may be necessary.

6. Can the P0606 code be fixed without replacing the PCM in a 1998 Ford F150?

In some cases, repairing corroded wiring or securing loose connections can resolve the issue. However, if the PCM is faulty, replacement may be required.

7. How much does it cost to replace the PCM on a 1998 Ford F150?

Replacing the PCM can cost between $300 and $1,000, depending on whether a new or remanufactured unit is used and labor costs in your area.

8. Can I drive my 1998 Ford F150 with a P0606 code?

It’s not recommended to drive the vehicle with the P0606 code, as it could lead to further damage or unsafe driving conditions due to erratic engine performance.

9. Can resetting the PCM clear the P0606 code in a 1998 Ford F150?

Resetting the PCM may temporarily clear the code, but if the underlying issue remains, the code will likely return.

10. Do I need a professional mechanic to fix the P0606 code on a 1998 Ford F150?

While basic inspections can be done yourself, diagnosing and replacing a PCM or repairing complex wiring issues may require professional expertise and tools.

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