Engine-CodesGMC – P10C6 2017 GMC Sierra

P10C6 2017 GMC Sierra Code - Engine Diagnostic Status Signal Message Counter Incorrect

Quick Answer

The P10C6 diagnostic trouble code for a 2017 GMC Sierra indicates that the Engine Diagnostic Status Signal Message Counter is incorrect. Common causes include Faulty engine sensors, Wiring issues, Malfunctioning 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
P10C6 2017 GMC Sierra indicates Engine Diagnostic Status Signal Message Counter Incorrect.
Common causes
Common causes include Faulty engine sensors, Wiring issues, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P10C6 2017 GMC Sierra Description

The P10C6 diagnostic trouble code for a 2017 GMC Sierra indicates that the Engine Diagnostic Status Signal Message Counter is incorrect. This means that the signal communication between the engine control module (ECM) and other related modules is not functioning properly. The ECM relies on various sensors and modules to gather data and make adjustments to ensure the engine runs efficiently and smoothly. When the message counter is incorrect, it can lead to miscommunication and potentially affect the performance of the vehicle.

OBDII Code P10C6 2017 GMC Sierra - Engine Diagnostic Status Signal Message Counter Incorrect
P10C6 2017 GMC Sierra Code - Engine Diagnostic Status Signal Message Counter Incorrect

Common Causes of P10C6 2017 GMC Sierra

  1. Faulty engine sensors
  2. Wiring issues
  3. Malfunctioning ECM
  4. Poor electrical connections
  5. Software glitches

Symptoms of P10C6 2017 GMC Sierra

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Decreased fuel economy
  5. Check Engine Light illuminated

How to Fix P10C6 2017 GMC Sierra

  1. Perform a diagnostic scan to retrieve the specific error codes and pinpoint the issue.
  2. Inspect the engine sensors and wiring for any damage or corrosion.
  3. Test the ECM for proper functionality and communication with other modules.
  4. Repair or replace faulty sensors, wiring, or the ECM as needed.
  5. Clear the error codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P10C6 2017 GMC Sierra

The typical repair costs for addressing a P10C6 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. Parts such as sensors or an ECM replacement can range from $200 to $800, while labor costs can add an additional $100 to $300. Overall, the total repair cost could range from $300 to $1100. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate.

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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 P10C6 2017 GMC Sierra Code

1. What does the OBDII code P10C6 mean on a 2017 GMC Sierra?

P10C6 indicates an "Engine Diagnostic Status Signal Message Counter Incorrect," often related to a communication issue between control modules.

2. What are the common symptoms of code P10C6 in a 2017 GMC Sierra?

Symptoms may include a check engine light, reduced engine performance, erratic shifting, or issues with communication between the engine control module (ECM) and other systems.

3. What causes the P10C6 code to appear on a 2017 GMC Sierra?

Common causes include software glitches in control modules, damaged wiring, faulty connectors, or a malfunctioning engine control module (ECM).

4. Can the P10C6 code cause drivability issues?

Yes, it can lead to reduced engine performance, hesitation, or erratic transmission behavior depending on the severity of the communication issue.

5. How do you diagnose the P10C6 code on a 2017 GMC Sierra?

Diagnosis involves using a scan tool to check for related codes, inspecting wiring and connectors, updating module software, and testing the ECM for proper communication.

6. Is the P10C6 code specific to the engine control module?

While the ECM is often involved, the code can also point to issues with other modules or the network communication between them.

7. Can a software update fix the P10C6 code on a 2017 GMC Sierra?

Yes, in some cases, updating the software in the ECM or other related modules can resolve the issue.

8. How much does it cost to repair the P10C6 code on a 2017 GMC Sierra?

Repairs can range from $100 to $500 or more, depending on whether it requires software updates, wiring repairs, or ECM replacement.

9. Can I drive my 2017 GMC Sierra with the P10C6 code?

While it may be drivable, it’s not recommended as the issue could lead to further communication problems or reduced performance.

10. What tools are needed to troubleshoot the P10C6 code on a 2017 GMC Sierra?

A professional-grade scan tool capable of reading GM-specific codes and diagnosing module communication is essential.

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