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P117A Chevrolet Code - Engine Block Coolant Valve Signal Message Counter Incorrect

Quick Answer

The P117A code for Chevrolet vehicles indicates a problem with the Engine Block Coolant Valve Signal Message Counter being incorrect. Common causes include Faulty engine block coolant valve, Wiring issues or shorts in the coolant valve circuit, Malfunctioning Engine Control Module (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
P117A Chevrolet indicates Engine Block Coolant Valve Signal Message Counter Incorrect.
Common causes
Common causes include Faulty engine block coolant valve, Wiring issues or shorts in the coolant valve circuit, Malfunctioning Engine Control Module (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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P117A Chevrolet Description

The P117A code for Chevrolet vehicles indicates a problem with the Engine Block Coolant Valve Signal Message Counter being incorrect. This means that the Engine Control Module (ECM) has detected a discrepancy in the signal received from the engine block coolant valve, which is responsible for regulating the flow of coolant to the engine block. The ECM uses this signal to ensure the engine operates within the optimal temperature range for performance and efficiency.

OBDII Code P117A Chevrolet - Engine Block Coolant Valve Signal Message Counter Incorrect
P117A Chevrolet Code - Engine Block Coolant Valve Signal Message Counter Incorrect

Common Causes of P117A Chevrolet

  1. Faulty engine block coolant valve
  2. Wiring issues or shorts in the coolant valve circuit
  3. Malfunctioning Engine Control Module (ECM)
  4. Sensor malfunction or failure
  5. Low coolant levels or coolant leak

Symptoms of P117A Chevrolet

  1. Engine overheating
  2. Poor engine performance
  3. Reduced fuel efficiency
  4. Illuminated check engine light
  5. Engine stalling or misfiring

How to Fix P117A Chevrolet

  1. Diagnose the issue using a diagnostic scanner to retrieve the trouble codes and pinpoint the source of the problem.
  2. Inspect the engine block coolant valve, wiring, and connectors for any signs of damage or corrosion.
  3. Test the coolant valve and related components for proper function and resistance.
  4. Replace the faulty coolant valve, repair any damaged wiring, or replace the sensor if necessary.
  5. Clear the trouble codes from the ECM's memory and perform a test drive to ensure the issue has been resolved.

Cost to Fix P117A Chevrolet

The cost of repairing the Engine Block Coolant Valve Signal Message Counter Incorrect code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as a coolant valve, sensor, or wiring harness can range from $100 to $300. Labor costs at an auto repair shop typically range from $80 to $150 per hour, and the total repair cost may amount to $200 to $500 or more. It's important to consult with a qualified mechanic or dealership to obtain an accurate estimate based on the specific vehicle make and model.

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Information for Specific Chevrolet Models

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.

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