AutoCodes – Chevrolet – P117A Chevrolet

P117A Chevrolet 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 Chevrolet 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 1,020

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 Chevrolet 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 Chevrolet - Engine Block Coolant Valve Signal Message Counter Incorrect - AutoCodes.com — P117A Chevrolet Code - Engine Block Coolant Valve Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P117A Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

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

Need Help with the Code?

Get the P117A Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P117A 2014 Chevrolet Silverado — Engine Block Coolant Valve Signal Message Counter Incorrect
P117A 2015 Chevrolet Silverado — Engine Block Coolant Valve Signal Message Counter Incorrect
P117A 2016 Chevrolet Silverado — Engine Block Coolant Valve Signal Message Counter Incorrect
P117A 2017 Chevrolet Silverado — Engine Block Coolant Valve Signal Message Counter Incorrect
P117A 2018 Chevrolet Silverado — Engine Block Coolant Valve Signal Message Counter Incorrect

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 Chevrolet Code

1. What are the common symptoms of OBDII code P117A in a Chevrolet?

- Common symptoms include decreased engine performance, poor fuel efficiency, rough idling, and potential overheating issues.

2. What does the OBDII code P117A Chevrolet indicate?

- The code P117A indicates that the Engine Block Coolant Valve Signal Message Counter is incorrect, signaling a potential issue with the engine coolant system.

3. What are the possible causes of code P117A in a Chevrolet?

- Possible causes include a faulty engine block coolant valve, wiring or connection issues, a malfunctioning coolant temperature sensor, or a problem with the engine control module.

4. How can I diagnose the root cause of OBDII code P117A in my Chevrolet?

- Diagnose by checking the engine block coolant valve for proper operation, inspecting the wiring and connections for any damage, testing the coolant temperature sensor, and scanning the engine control module for any related faults.

5. Can I drive my Chevrolet with the P117A code present?

- It is not recommended to drive your Chevrolet with the P117A code present, as it can lead to further engine damage and potential overheating issues.

6. How do I repair OBDII code P117A in a Chevrolet?

- Repair involves addressing the root cause of the issue, which may include replacing the faulty engine block coolant valve, repairing any wiring or connection problems, or resetting the engine control module.

7. Are there any DIY tips for fixing code P117A in a Chevrolet?

- DIY tips include checking and cleaning the connections to the engine block coolant valve, ensuring proper coolant levels, and inspecting for any visible signs of damage in the coolant system components.

8. How much does it cost to repair OBDII code P117A in a Chevrolet?

- Repair costs can vary depending on the specific cause of the issue, but it may range from $100 to $500 for parts and labor.

9. Can a P117A code be triggered by a loose gas cap in a Chevrolet?

- No, a loose gas cap is not related to OBDII code P117A, as it specifically pertains to the Engine Block Coolant Valve Signal Message Counter.

10. Is it necessary to reset the OBDII system after fixing the P117A code in a Chevrolet?

- It is recommended to reset the OBDII system after fixing the P117A code to clear the fault code and ensure proper monitoring of the vehicle's systems.