P10C7 2014 GMC Sierra Code - Reductant Control System 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 Reductant Control System. 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
- P10C7 2014 GMC Sierra indicates Reductant Control System Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Reductant Control System.
- 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 P10C7 2014 GMC Sierra Description
What are the Possible Causes of the DTC P10C7 2014 GMC Sierra?
- Faulty Reductant Control System
How to Fix the DTC P10C7 2014 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 P10C7 2014 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 P10C7 2014 GMC Sierra code?
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Frequently Asked Questions about P10C7 2014 GMC Sierra Code
What does the OBDII code P10C7 mean on a 2014 GMC Sierra?
P10C7 indicates an issue with the Reductant Control System, specifically that the signal message counter from the reductant control module is incorrect or out of sync.
What are the symptoms of code P10C7 on a 2014 GMC Sierra?
Common symptoms include the Check Engine Light turning on, potential DEF system warnings, and possible restrictions in engine performance if the issue persists.
What causes the P10C7 code to appear?
The code can be caused by a faulty reductant control module, wiring issues, communication errors between modules, or software glitches in the vehicle’s control systems.
Can I still drive my 2014 GMC Sierra with the P10C7 code?
While the truck may remain drivable initially, ignoring the issue could lead to reduced engine power or a DEF system malfunction, potentially causing the vehicle to enter limp mode.
How can I diagnose the P10C7 code?
Diagnosis involves scanning for codes with an OBDII scanner, inspecting the reductant control module and related wiring for damage, and testing communication between the module and the ECM.
How is the P10C7 code fixed?
Repairs may include reprogramming or updating the reductant control module, repairing or replacing faulty wiring, or replacing the module if it is defective.
Can a software update resolve the P10C7 code?
Yes, in some cases, a software update for the reductant control system or ECM may resolve communication errors causing the code.
What tools are needed to fix the P10C7 code?
Tools include an OBDII scanner, multimeter for electrical testing, and possibly a dealer-level diagnostic tool for reprogramming or module updates.
Is the P10C7 code covered under warranty for a 2014 GMC Sierra?
This depends on the vehicle’s mileage and specific warranty terms, especially if it relates to emissions system components like the DEF system.
How much does it cost to repair the P10C7 code on a 2014 GMC Sierra?
Costs vary depending on the root cause but may range from $150 for a software update to $1,000 or more for module replacement, including labor.
Discuss the causes and fixes for P10C7 2014 GMC Sierra OBDII Code
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