P117A 2017 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 2017 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P117A 2017 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 2017 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 2017 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 2017 Chevrolet Silverado Code
1. What does the OBDII code P117A mean on a 2017 Chevrolet Silverado?
P117A refers to an issue with the Engine Block Coolant Valve, specifically indicating that the signal message counter is incorrect or inconsistent.
2. What are common symptoms of the P117A code?
Symptoms may include an illuminated check engine light, erratic engine temperature readings, or reduced engine performance.
3. What causes the P117A code to appear?
This code is often caused by a faulty engine block coolant valve, wiring issues, poor electrical connections, or a malfunction in the Engine Control Module (ECM).
4. Can the P117A code cause serious engine damage?
While the code itself may not directly cause damage, improper coolant flow can lead to engine overheating, which can cause significant damage if not addressed.
5. How do you diagnose the P117A code?
Diagnosis involves scanning for codes, inspecting the engine block coolant valve and its wiring, checking for poor connections, and testing the valve's functionality.
6. Can a failing thermostat trigger the P117A code?
No, this code is specific to the engine block coolant valve. However, a failing thermostat can cause similar symptoms and should also be inspected during diagnosis.
7. How is the P117A code fixed?
Repairs typically include replacing the engine block coolant valve, repairing damaged wiring or connectors, or updating/reprogramming the ECM if necessary.
8. Can you drive with the P117A code active?
Driving with this code is not recommended, as it may lead to engine overheating or other performance issues if the coolant flow is compromised.
9. Is the P117A code covered under warranty for a 2017 Chevrolet Silverado?
It depends on the warranty terms and mileage. Check with your Chevrolet dealer to determine if the repair is covered.
10. What tools are needed to fix the P117A code?
You’ll need an OBDII scanner, multimeter, and possibly replacement parts such as the engine block coolant valve or related wiring components.
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