AutoCodes – Ford – P0606 1999 Ford F150

P0606 1999 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 1999 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 2,700

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 1999 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 1999 Ford F150 - Powertrain Control Module Internal Communication Error - AutoCodes.com — P0606 1999 Ford F150 Code - Powertrain Control Module Internal Communication Error

What does this mean?

What are the Possible Causes of the DTC P0606 1999 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 1999 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 1999 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 1999 Ford F150 Code

1. What does the OBDII code P0606 for a 1999 Ford F150 mean?

The code P0606 indicates an internal communication error within the Powertrain Control Module (PCM) of the vehicle.

2. What are the common symptoms associated with the P0606 code in a 1999 Ford F150?

Common symptoms include issues with engine performance, such as stalling, rough idling, and reduced power. The vehicle may also experience problems with starting or shifting gears.

3. What are the possible causes of the P0606 code in a 1999 Ford F150?

Possible causes of the P0606 code include a faulty PCM, damaged wiring or connectors related to the PCM, software corruption, or a low vehicle battery.

4. How can I diagnose the P0606 code in my 1999 Ford F150?

Diagnosing the P0606 code typically involves using a diagnostic scanner to retrieve the trouble codes, checking the PCM connections and wiring for any damage, and testing the battery voltage.

5. Is it safe to continue driving my 1999 Ford F150 with the P0606 code?

It is not recommended to drive the vehicle with the P0606 code present, as it can lead to further damage and potentially unsafe driving conditions. It is best to address the issue promptly.

6. How can I repair the P0606 code in my 1999 Ford F150?

Repairing the P0606 code may involve replacing the PCM, repairing any damaged wiring or connectors, updating the PCM software, or addressing any underlying battery issues.

7. Can I reset the P0606 code in my 1999 Ford F150 with a simple reset tool?

While you can clear the code with a code reader or scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. Will the P0606 code cause my 1999 Ford F150 to fail an emissions test?

Yes, the P0606 code can cause your vehicle to fail an emissions test since it indicates a problem with the PCM, which plays a crucial role in the vehicle's emissions control system.

9. How much does it typically cost to repair the P0606 code in a 1999 Ford F150?

The cost of repairing the P0606 code can vary depending on the root cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can I prevent the P0606 code from occurring in my 1999 Ford F150 in the future?

To prevent the P0606 code from occurring, it is essential to maintain your vehicle regularly, address any issues promptly, and ensure that the PCM is functioning correctly.