AutoCodes – Ford – P0606 2002 Ford F150

P0606 2002 Ford F150 Code - Powertrain Control Module Internal Communication error

Quick Answer

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. Common causes include Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming, Faulty Engine Control Module (ECM). 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 2002 Ford F150 indicates Powertrain Control Module Internal Communication error .
Common causes: Common causes include Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming, Faulty Engine Control Module (ECM).
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 2,697

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 Jun 14, 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 2002 Ford F150 Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This selfâˆ’check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.

OBDII Code P0606 2002 Ford F150 - Powertrain Control Module Internal Communication error - AutoCodes.com — P0606 2002 Ford F150 Code - Powertrain Control Module Internal Communication error

What does this mean?

What are the Possible Causes of the DTC P0606 2002 Ford F150?

Engine Control Module (ECM) Harness power supply circuit is open or shorted
Engine Control Module (ECM) Programming
Faulty Engine Control Module (ECM)

How to Fix the DTC P0606 2002 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 ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 2002 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 2002 Ford F150 Code

1. What are the common symptoms of OBDII code P0606 in a 2002 Ford F150?

- Common symptoms include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine Light.

2. What does the OBDII code P0606 on a 2002 Ford F150 indicate?

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

3. What are the possible causes of the P0606 code in a 2002 Ford F150?

- Possible causes include a faulty PCM, damaged wiring or connectors, software issues, or a low battery voltage.

4. How can I diagnose the P0606 code in a 2002 Ford F150?

- Diagnosing the code may involve checking the PCM for proper functioning, inspecting wiring and connectors, and ensuring battery voltage is within specifications.

5. Can I still drive my 2002 Ford F150 with the P0606 code present?

- It is not recommended to drive the vehicle with the P0606 code present, as it can lead to further damage and potential safety hazards.

6. How can I repair the P0606 code in a 2002 Ford F150?

- Repair options may include replacing the PCM, repairing damaged wiring or connectors, updating software, and ensuring proper battery voltage.

7. Is it safe to reset the PCM to clear the P0606 code in a 2002 Ford F150?

- It is not recommended to simply reset the PCM to clear the code without diagnosing and addressing the root cause of the internal communication error.

8. Will the P0606 code in a 2002 Ford F150 cause permanent damage if not repaired promptly?

- Ignoring the P0606 code can potentially cause further damage to the vehicle's systems and components, leading to more costly repairs in the future.

9. Can a DIY enthusiast repair the P0606 code in a 2002 Ford F150?

- While some aspects of diagnosing and repairing the P0606 code can be done by a DIY enthusiast, working with the PCM and intricate electrical components may require professional expertise.

10. How much does it typically cost to repair the P0606 code in a 2002 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.