AutoCodes – Ford – P0606 1998 Ford F150

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

Quick Answer

The Powertrain Control Module (PCM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. Common causes include Powertrain Control Module (PCM) Harness power supply circuit is open or shorted, Powertrain Control Module Programming, Faulty Powertrain Control Module. 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 Powertrain Control Module (PCM) Harness power supply circuit is open or shorted, Powertrain Control Module Programming, Faulty Powertrain Control Module.
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.

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Code Popularity 2,648

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 05, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0606 1998 Ford F150 Description

The Powertrain Control Module (PCM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self−check insures that the PCM is functioning properly. If any malfunction is detected, the PCM will set the code and illuminate the engine light. The Diagnostic Trouble Code (DTC) indicates the PCM has experienced an internal memory fault.

OBDII Code P0606 1998 Ford F150 - Powertrain Control Module Internal Communication Error - AutoCodes.com — P0606 1998 Ford F150 Code - Powertrain Control Module Internal Communication Error

What does this mean?

What are the Possible Causes of the DTC P0606 1998 Ford F150?

Powertrain Control Module (PCM) Harness power supply circuit is open or shorted
Powertrain Control Module Programming
Faulty Powertrain Control Module

How to Fix the DTC P0606 1998 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 does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 1998 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.

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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 vehicleâ€™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?

Itâ€™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.