AutoCodes – Honda – P0600 Honda

P0600 Honda Code - Serial Communication Link Malfunction

Quick Answer

The driver IC which has a diagnostic function, and the Central Processing Unit (CPU) are built into the Powertrain Control Module (PCM). Common causes include Powertrain Control Module (PCM) Internal Failure. 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 Honda indicates Serial Communication Link Malfunction.
Common causes: Common causes include Powertrain Control Module (PCM) Internal Failure.
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 32,066

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 Jan 02, 2024

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

The driver IC which has a diagnostic function, and the Central Processing Unit (CPU) are built into the Powertrain Control Module (PCM). If the CPU cannot receive diagnostic information from the driver IC for a specified duration due to the occurrence of communication abnormality between the driver IC and the CPU, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0600 Honda - Serial Communication Link Malfunction - AutoCodes.com — P0600 Honda Code - Serial Communication Link Malfunction

What does this mean?

What are the Possible Causes of the DTC P0600 Honda?

Powertrain Control Module (PCM) Internal Failure

How to Fix the DTC P0600 Honda?

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 Honda 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.

Need more information about the P0600 Honda code?

Need more information on how to fix the P0600 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0600 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

P0600 2016 Honda CR-V — Serial Communication Link Malfunction
P0600 2017 Honda CR-V — Serial Communication Link Malfunction
P0600 2018 Honda CR-V — Serial Communication Link Malfunction
P0600 2019 Honda CR-V — Serial Communication Link Malfunction
P0600 2020 Honda CR-V — Serial Communication Link Malfunction
P0600 2021 Honda CR-V — Serial Communication Link Malfunction

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 Honda Code

1. What are the common symptoms of OBDII code P0600 in a Honda?

- Common symptoms include issues with the vehicle's transmission, engine misfires, poor fuel efficiency, and overall drivability problems.

2. What can cause the OBDII code P0600 (Serial Communication Link Malfunction) in a Honda?

- The code P0600 can be caused by issues with the powertrain control module (PCM), damaged wiring, faulty communication modules, or a weak battery.

3. How serious is the OBDII code P0600 in a Honda?

- The P0600 code should be addressed promptly as it can affect the vehicle's performance, fuel efficiency, and overall drivability. Ignoring this code may lead to more severe issues over time.

4. How can I diagnose the OBDII code P0600 in my Honda?

- To diagnose the P0600 code, it is recommended to use a diagnostic scanner to retrieve the trouble codes, inspect the wiring for any damage, check the battery voltage, and test the communication modules.

5. Can I drive my Honda with the OBDII code P0600?

- It is not recommended to drive your Honda with the P0600 code present, as it can lead to further damage and safety risks. It is best to have the issue diagnosed and repaired before driving the vehicle again.

6. How do I repair the OBDII code P0600 in my Honda?

- Repairing the P0600 code may involve replacing the powertrain control module (PCM), repairing or replacing damaged wiring, checking and repairing communication modules, or ensuring the battery is in good condition.

7. Can a DIY enthusiast fix the OBDII code P0600 in a Honda?

- While some basic troubleshooting steps can be done by a DIY enthusiast, diagnosing and repairing the underlying causes of the P0600 code may require advanced tools and expertise. It is advisable to seek professional help for accurate diagnosis and repair.

8. How much does it cost to fix the OBDII code P0600 in a Honda?

- The cost of fixing the P0600 code in a Honda can vary depending on the root cause of the issue, parts needed for repair, and labor costs. It is recommended to get a few quotes from reputable mechanics to determine the cost.

9. Will resetting the OBDII code P0600 in my Honda make it go away permanently?

- Simply resetting the P0600 code without addressing the underlying issue will not make it go away permanently. It is crucial to diagnose and repair the root cause of the problem to prevent the code from reappearing.

10. How can I prevent the OBDII code P0600 from coming back in my Honda?

- To prevent the recurrence of the P0600 code, ensure regular maintenance of your Honda, check the battery health periodically, keep the wiring and communication modules in good condition, and address any related issues promptly.