AutoCodes – GMC – P117A 2014 GMC Sierra

P117A 2014 GMC Sierra Code - Engine Block Coolant Valve 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 Block Coolant Valve, Engine Block Coolant Valve harness is open or shorted, Engine Block Coolant Valve 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: P117A 2014 GMC Sierra indicates Engine Block Coolant Valve Signal Message Counter Incorrect.
Common causes: Common causes include Faulty Engine Block Coolant Valve, Engine Block Coolant Valve harness is open or shorted, Engine Block Coolant Valve 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 152

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 Sep 26, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P117A 2014 GMC Sierra Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Engine Block Coolant Valve Signal Message Counter is Incorrect.

OBDII Code P117A 2014 GMC Sierra - Engine Block Coolant Valve Signal Message Counter Incorrect - AutoCodes.com — P117A 2014 GMC Sierra Code - Engine Block Coolant Valve Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P117A 2014 GMC Sierra?

Faulty Engine Block Coolant Valve
Engine Block Coolant Valve harness is open or shorted
Engine Block Coolant Valve circuit poor electrical connection

How to Fix the DTC P117A 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 P117A 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 P117A 2014 GMC Sierra code?

Need more information on how to fix the P117A 2014 GMC Sierra code? Get Access to Factory Service Manuals

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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 P117A 2014 GMC Sierra Code

1. What does the OBDII code P117A mean on a 2014 GMC Sierra?

P117A indicates an issue with the Engine Block Coolant Valve Signal Message Counter, suggesting a communication error or malfunction in the coolant valve system.

2. What are the common symptoms of code P117A in a 2014 GMC Sierra?

Common symptoms include the Check Engine Light illuminating, potential engine overheating, poor heater performance, or irregular coolant flow.

3. What causes the P117A code to appear on a 2014 GMC Sierra?

Possible causes include a faulty engine block coolant valve, wiring or connector issues, a malfunctioning control module, or software glitches in the communication system.

4. Is it safe to drive a 2014 GMC Sierra with a P117A code?

Driving with a P117A code can be risky, as it may lead to engine overheating or reduced efficiency in the cooling system, potentially causing further damage.

5. How can I diagnose the P117A code on my 2014 GMC Sierra?

Diagnosis typically involves checking the engine block coolant valve, inspecting wiring and connectors, testing the signal communication, and verifying module operation with a scan tool.

6. Can a faulty thermostat trigger the P117A code on a 2014 GMC Sierra?

No, a faulty thermostat is not directly related to this code, but issues with the coolant valve system or its communication could contribute to similar symptoms.

7. How much does it cost to fix the P117A code on a 2014 GMC Sierra?

Repair costs can vary but may range from $100 to $500, depending on whether the coolant valve, wiring, or control module needs to be repaired or replaced.

8. Can I fix the P117A code on my 2014 GMC Sierra myself?

If you have experience with automotive diagnostics and repairs, you may be able to handle it by inspecting and replacing the coolant valve or repairing wiring, but more complex issues may require professional help.

9. Does the P117A code require reprogramming the control module?

In some cases, reprogramming the control module or updating its software might resolve the issue, especially if it stems from a communication error.

10. How can I prevent the P117A code from reoccurring on my 2014 GMC Sierra?

Regularly inspect the cooling system components, ensure wiring and connectors are in good condition, and keep the vehicle's software updated to avoid communication issues.