P117A 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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.
Code P117A 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P117A 2015 Chevrolet Silverado?
- 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 2015 Chevrolet Silverado?
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 2015 Chevrolet Silverado 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.
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Frequently Asked Questions about P117A 2015 Chevrolet Silverado Code
1. What does the OBDII code P117A mean on a 2015 Chevrolet Silverado?
P117A indicates that the Engine Block Coolant Valve Signal Message Counter is incorrect, meaning there’s an issue with the communication or function of the coolant control valve.
2. What are the common symptoms of code P117A on a 2015 Silverado?
Symptoms may include the Check Engine Light turning on, irregular engine temperature regulation, or poor cabin heating performance.
3. What causes the P117A code to appear on a 2015 Chevy Silverado?
Common causes include a faulty coolant control valve, wiring or connection issues, or a software/communication error between the valve and the engine control module (ECM).
4. Can I continue driving my 2015 Chevrolet Silverado with the P117A code?
While it may be possible to drive, ignoring this code could lead to engine overheating or other temperature-related issues over time.
5. How do I diagnose the P117A code on my 2015 Silverado?
Diagnosis typically involves checking the coolant valve for proper operation, inspecting wiring and connectors, and using a scan tool to verify communication between the valve and ECM.
6. How do I fix the P117A code on a 2015 Chevy Silverado?
Repairs may involve replacing the coolant control valve, repairing damaged wiring, or updating the ECM software if a communication issue is detected.
7. Is the P117A code related to low coolant levels?
Not directly, but low coolant levels can cause overheating, which might trigger related codes or exacerbate the issue.
8. How much does it cost to fix the P117A code on a 2015 Chevrolet Silverado?
Repair costs vary depending on the issue, but replacing the coolant control valve typically costs $150–$300, including parts and labor.
9. Can a faulty thermostat cause the P117A code on a 2015 Silverado?
No, the P117A code is specific to the coolant control valve and its communication, though a faulty thermostat could cause other temperature-related issues.
10. Do I need to reprogram the ECM after fixing the P117A code?
Reprogramming the ECM is not always necessary but may be required if a software update is needed to resolve communication issues.
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