AutoCodes – Lincoln – P0606 Lincoln

P0606 Lincoln 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 Lincoln 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 836

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 Lincoln 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 Lincoln - Powertrain Control Module Internal Communication Error - AutoCodes.com — P0606 Lincoln Code - Powertrain Control Module Internal Communication Error

What does this mean?

What are the Possible Causes of the DTC P0606 Lincoln?

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 Lincoln?

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 Lincoln 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 Lincoln Code

1. What are the common symptoms of OBDII code P0606 in a Lincoln vehicle?

- Common symptoms include engine stalling, rough idling, poor acceleration, and the illumination of the check engine light.

2. What does OBDII code P0606 mean for a Lincoln car?

- OBDII code P0606 indicates a Powertrain Control Module (PCM) internal communication error in the Lincoln's vehicle system.

3. What are the possible causes of OBDII code P0606 in a Lincoln?

- Possible causes include a faulty PCM, damaged wiring or connectors, software issues, or a weak battery or charging system.

4. How can I diagnose OBDII code P0606 in my Lincoln?

- A professional diagnostic scan tool can be used to retrieve the code and further diagnose the issue with the PCM and its internal communication.

5. Can OBDII code P0606 be fixed by resetting the PCM in a Lincoln?

- While resetting the PCM may temporarily clear the code, it's important to address the underlying issue causing the internal communication error to prevent future occurrences.

6. Is it safe to drive a Lincoln with OBDII code P0606?

- It's generally not recommended to drive a vehicle with OBDII code P0606, as it can lead to potential performance issues and possible damage to the vehicle's system.

7. How much does it typically cost to repair OBDII code P0606 in a Lincoln?

- The cost of repair can vary depending on the root cause of the issue, but it's advisable to consult a professional mechanic for an accurate diagnosis and cost estimation.

8. Are there any DIY repair tips for OBDII code P0606 in a Lincoln?

- DIY repair is not recommended for OBDII code P0606, as it often involves complex diagnostics and requires specialized tools and expertise.

9. Can a software update fix OBDII code P0606 in a Lincoln?

- In some cases, a software update from the manufacturer may address the internal communication error in the PCM, but it's best to consult a dealership or mechanic for guidance.

10. How can I prevent OBDII code P0606 from occurring in my Lincoln in the future?

- Regular maintenance, including checking the battery and charging system, ensuring proper wiring connections, and promptly addressing any check engine light warnings, can help prevent OBDII code P0606 in the future.