P10C6 2018 GMC Sierra Code - Engine Diagnostic Status Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine 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
- P10C6 2018 GMC Sierra indicates Engine Diagnostic Status Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine 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.
Code P10C6 2018 GMC Sierra Description
What are the Possible Causes of the DTC P10C6 2018 GMC Sierra?
- Faulty Engine Control Module (ECM)
- Engine Control Module harness is open or shorted
- Engine Control Module circuit poor electrical connection
How to Fix the DTC P10C6 2018 GMC Sierra?
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 P10C6 2018 GMC Sierra 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 P10C6 2018 GMC Sierra code?
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Frequently Asked Questions about P10C6 2018 GMC Sierra Code
1. What does the OBDII code P10C6 mean on a 2018 GMC Sierra?
The code P10C6 indicates an "Engine Diagnostic Status Signal Message Counter Incorrect," which typically relates to an issue with the communication or synchronization between control modules.
2. What are the common symptoms of the P10C6 code on a 2018 GMC Sierra?
Symptoms may include an illuminated check engine light, erratic engine performance, or reduced power mode. In some cases, there may be no noticeable symptoms.
3. What causes the P10C6 code to appear on a GMC Sierra?
This code is often triggered by faulty communication between the engine control module (ECM) and other control modules, software glitches, or wiring issues in the communication network.
4. Can a faulty ECM cause the P10C6 code?
Yes, a faulty ECM or other related control module can cause the P10C6 code if it fails to properly send or receive diagnostic status messages.
5. How is the P10C6 code diagnosed on a 2018 GMC Sierra?
A technician will use a scan tool to check for additional codes, inspect the vehicle’s communication network, verify the integrity of wiring and connectors, and possibly reprogram or update the ECM.
6. Can a software update fix the P10C6 code on a GMC Sierra?
Yes, in some cases, a software update for the ECM or other control modules can resolve this issue if it is caused by outdated or corrupted programming.
7. Is it safe to drive a 2018 GMC Sierra with the P10C6 code?
While it may be safe to drive short distances, ignoring the code could lead to performance issues or further damage to the vehicle’s systems. It’s best to address the issue promptly.
8. What tools are needed to fix the P10C6 code?
You’ll need a scan tool capable of reading manufacturer-specific codes, a multimeter for testing electrical circuits, and potentially access to reprogramming equipment for module updates.
9. How much does it cost to fix the P10C6 code on a GMC Sierra?
The cost can vary depending on the root cause, ranging from $100 to $500 or more. Diagnosis, software updates, or control module replacement will influence the final cost.
10. Can I clear the P10C6 code without fixing the problem?
Clearing the code with a scan tool will remove it temporarily, but if the underlying issue isn’t resolved, the code will likely return.
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