P117A 2017 Chevrolet Silverado Code - Engine Block Coolant Valve Signal Message Counter Incorrect
Quick Answer
The diagnostic trouble code P117A on a 2017 Chevrolet Silverado indicates an issue with the Engine Block Coolant Valve Signal Message Counter being incorrect. Common causes include Faulty engine block coolant valve, Wiring or electrical connection issues, ECU (Engine Control Unit) malfunction. 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, Wiring or electrical connection issues, ECU (Engine Control Unit) malfunction.
- 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 2017 Chevrolet Silverado Description
The diagnostic trouble code P117A on a 2017 Chevrolet Silverado indicates an issue with the Engine Block Coolant Valve Signal Message Counter being incorrect. This code usually points to a problem with the engine block coolant valve, which is responsible for regulating the flow of coolant in the engine block to maintain optimal operating temperature. The signal message counter being incorrect suggests that there may be a communication error or malfunction within the system that monitors and controls the coolant valve.
Common Causes of P117A 2017 Chevrolet Silverado
- Faulty engine block coolant valve
- Wiring or electrical connection issues
- ECU (Engine Control Unit) malfunction
- Coolant temperature sensor failure
- Software glitch in the vehicle's control system
Symptoms of P117A 2017 Chevrolet Silverado
- Engine overheating
- Poor fuel efficiency
- Loss of engine power
- Check engine light illuminated
- Engine running too cold
How to Fix P117A 2017 Chevrolet Silverado
- Diagnose the issue using a diagnostic scanner to pinpoint the exact cause of the code.
- Inspect the engine block coolant valve and wiring for any signs of damage or corrosion.
- Test the coolant temperature sensor and replace if necessary.
- Check the ECU for any faults or glitches and reprogram if needed.
- Clear the trouble code and reset the system to see if the issue persists.
Cost to Fix P117A 2017 Chevrolet Silverado
The cost of repairing the Engine Block Coolant Valve Signal Message Counter Incorrect code on a 2017 Chevrolet Silverado can vary depending on the exact cause of the issue. Typically, the cost of replacement parts such as a new engine block coolant valve, coolant temperature sensor, or ECU reprogramming can range from $200 to $500. Labor costs at auto repair shops can add an additional $100 to $300, resulting in a total repair cost of $300 to $800.
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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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