AutoCodes – Mercury – P0600 Mercury

P0600 Mercury Code - Loss of Serial Communication Link

Quick Answer

Indicates an error occurred in the Powertrain Control Module (PCM). Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module harness is open or shorted, Powertrain Control Module circuit poor electrical connection. 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: P0600 Mercury indicates Loss of Serial Communication Link.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module harness is open or shorted, Powertrain Control Module circuit poor electrical connection.
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 899

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 Aug 02, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0600 Mercury Description

Indicates an error occurred in the Powertrain Control Module (PCM). This Diagnostic Trouble Code (DTC) may be set alone or in combination with P2105.

OBDII Code P0600 Mercury - Loss of Serial Communication Link - AutoCodes.com — P0600 Mercury Code - Loss of Serial Communication Link

What does this mean?

What are the Possible Causes of the DTC P0600 Mercury?

Faulty Powertrain Control Module (PCM)
Powertrain Control Module harness is open or shorted
Powertrain Control Module circuit poor electrical connection
Low battery voltage

How to Fix the DTC P0600 Mercury?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0600 Mercury 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 P0600 Mercury Code

1. What are the common symptoms of OBDII code P0600 (Loss of Serial Communication Link) on a Mercury?

- Common symptoms include the check engine light illuminating, difficulty starting the vehicle, erratic or rough engine performance, and issues with the transmission shifting smoothly.

2. What are the possible causes of OBDII code P0600 on a Mercury?

- The code can be triggered by issues such as damaged wiring or connectors in the communication network, a faulty powertrain control module (PCM), problems with the transmission control module (TCM), or a malfunctioning body control module (BCM).

3. How can I diagnose the OBDII code P0600 on my Mercury?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific trouble codes stored in the vehicle's computer system. It may also require checking the wiring and connectors for any visible damage or corrosion.

4. Can I drive my Mercury with the OBDII code P0600?

- It is not recommended to drive the vehicle with a persistent P0600 code, as it can lead to further damage and potential safety hazards. It is best to address the underlying issue promptly.

5. How can I repair OBDII code P0600 on my Mercury?

- Repairing this code may involve fixing any damaged wiring or connectors, replacing the PCM, TCM, or BCM if necessary, and ensuring all modules are properly communicating with each other.

6. Is it possible to reset the OBDII code P0600 on a Mercury?

- While you can clear the code with a diagnostic scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. Are there any DIY tips for fixing OBDII code P0600 on a Mercury?

- DIY tips may include checking and tightening the wiring connections, ensuring proper grounding, and inspecting for any obvious signs of damage before seeking professional help if needed.

8. How much does it typically cost to repair OBDII code P0600 on a Mercury?

- Repair costs can vary depending on the specific cause of the code and the parts and labor required. It is advisable to get a diagnosis from a qualified mechanic to determine the exact cost.

9. Can a bad battery or alternator cause OBDII code P0600 on a Mercury?

- While a weak or failing battery or alternator can sometimes cause communication issues in a vehicle, it is not a common direct cause of the P0600 code. It is recommended to check other potential causes first.

10. Does OBDII code P0600 affect the safety of driving my Mercury?

- While the P0600 code itself may not directly impact the safety of driving, it can lead to performance issues and potential failures in the vehicle's control modules, which could pose safety risks. It is best to address the code promptly.