P117A 2014 Chevrolet Silverado Code - Engine Block Coolant Valve Signal Message Counter Incorrect
Quick Answer
The P117A diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that there is an issue with the Engine Block Coolant Valve Signal Message Counter being incorrect. Common causes include Faulty engine block coolant valve: The most common cause of the P117A code is a malfunctioning engine block coolant valve, which may be stuck open, closed, or failing to communicate with the ECM, Wiring or connection issues: Problems with the wiring harness or connections related to the engine block coolant valve can also trigger this code, disrupting the signal communication, ECM software malfunction: In some cases, an issue with the engine control module software can lead to the incorrect signal message counter for the coolant valve. 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 Chevrolet Silverado indicates Engine Block Coolant Valve Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty engine block coolant valve: The most common cause of the P117A code is a malfunctioning engine block coolant valve, which may be stuck open, closed, or failing to communicate with the ECM, Wiring or connection issues: Problems with the wiring harness or connections related to the engine block coolant valve can also trigger this code, disrupting the signal communication, ECM software malfunction: In some cases, an issue with the engine control module software can lead to the incorrect signal message counter for the coolant valve.
- 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 P117A 2014 Chevrolet Silverado Description
The P117A diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that there is an issue with the Engine Block Coolant Valve Signal Message Counter being incorrect. This code is specifically related to the engine block coolant valve, which is responsible for regulating the flow of coolant through the engine to maintain optimal operating temperatures. The signal message counter being incorrect suggests that there is a discrepancy or inconsistency in the communication between the engine control module (ECM) and the coolant valve.
Common Causes of P117A 2014 Chevrolet Silverado
- Faulty engine block coolant valve: The most common cause of the P117A code is a malfunctioning engine block coolant valve, which may be stuck open, closed, or failing to communicate with the ECM.
- Wiring or connection issues: Problems with the wiring harness or connections related to the engine block coolant valve can also trigger this code, disrupting the signal communication.
- ECM software malfunction: In some cases, an issue with the engine control module software can lead to the incorrect signal message counter for the coolant valve.
- Low coolant level: Insufficient coolant in the system can also cause issues with the engine block coolant valve and trigger the P117A code.
- Coolant system blockage: Blockages in the coolant system, such as a clogged radiator or hoses, can impact the flow of coolant and result in this code.
Symptoms of P117A 2014 Chevrolet Silverado
- Engine overheating: One of the most common symptoms associated with the P117A code is engine overheating, as the coolant valve may not be functioning properly to regulate the coolant flow.
- Reduced engine performance: A malfunctioning engine block coolant valve can lead to decreased engine performance, including reduced power and acceleration.
- Check engine light: The illumination of the check engine light on the dashboard is a typical symptom of a DTC such as P117A, indicating a problem with the engine coolant system.
- Poor fuel efficiency: When the engine is not operating at the optimal temperature due to coolant flow issues, it can result in decreased fuel efficiency.
How to Fix P117A 2014 Chevrolet Silverado
- Diagnose the issue: Begin by using a diagnostic scanner to retrieve the P117A code and inspect the engine block coolant valve, wiring, and connections for any visible damage or malfunctions.
- Test the engine block coolant valve: Perform a functionality test on the coolant valve to determine if it is operating correctly and communicating with the ECM as intended.
- Check coolant levels and system: Verify that the coolant levels are adequate and inspect the coolant system for any blockages or leaks that may be affecting the flow.
- Repair or replace faulty components: Depending on the diagnosis, repair or replace the engine block coolant valve, wiring, connections, or any other damaged components causing the issue.
- Clear the code and test drive: Once the repairs are completed, clear the P117A code from the ECM memory and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P117A 2014 Chevrolet Silverado
The cost of repairing the P117A code on a 2014 Chevrolet Silverado can vary depending on the extent of the issue and the specific components that need to be repaired or replaced. In general, the cost of replacing a faulty engine block coolant valve can range from $200 to $500, including parts and labor. Additional costs may be incurred if there are wiring or connection issues that need to be addressed. Overall, the total repair cost for this issue could range from $300 to $800, but it is advisable to consult with a professional mechanic for a more accurate estimate based on the specific diagnosis and repairs required. Keep in mind that labor rates at auto repair shops can vary, so it's recommended to inquire about the rates in your local area to get a better idea of the total cost.
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Frequently Asked Questions about P117A 2014 Chevrolet Silverado Code
1. What does OBDII code P117A mean on a 2014 Chevrolet Silverado?
Code P117A indicates that the Engine Control Module (ECM) has detected an issue with the signal message counter for the engine block coolant valve, which may not be functioning as expected.
2. What are the common symptoms of code P117A on a 2014 Chevrolet Silverado?
Symptoms may include an illuminated Check Engine Light, irregular engine cooling, engine overheating, or reduced fuel efficiency.
3. What causes the P117A code to appear on a 2014 Chevrolet Silverado?
Common causes include a faulty engine block coolant valve, wiring issues such as damaged or corroded connectors, or a software glitch in the ECM.
4. Can I drive my 2014 Chevrolet Silverado with a P117A code?
While it may be possible to drive, it is not recommended, as unresolved cooling system issues could lead to engine overheating and potential long-term damage.
5. How can I fix the P117A code on my 2014 Chevrolet Silverado?
Repairs may involve inspecting and replacing the engine block coolant valve, repairing or replacing damaged wiring or connectors, and updating the ECM software if necessary.
6. How do I diagnose the P117A code on a 2014 Chevrolet Silverado?
Diagnosis typically involves using an OBDII scanner to confirm the code, visually inspecting the coolant valve and associated wiring, and testing the valve’s functionality with a multimeter or scan tool.
7. What is the engine block coolant valve, and why is it important?
The engine block coolant valve regulates coolant flow to ensure proper engine temperature. A malfunction can disrupt cooling efficiency and engine performance.
8. Does the P117A code require replacement of the engine block coolant valve?
Not necessarily. The issue may be due to wiring problems or a software malfunction. Proper diagnosis is required to determine the exact cause.
9. Is the P117A code a common issue for the 2014 Chevrolet Silverado?
It’s not a very common issue but can occur, especially in vehicles with high mileage or if there has been prior damage to the cooling system components.
10. What tools are needed to troubleshoot the P117A code on a 2014 Chevrolet Silverado?
You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly a repair manual or access to diagnostic flowcharts for the vehicle.
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