P117A 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P117A 2016 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 2016 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 2016 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 2016 Chevrolet Silverado Code
1. What does the OBDII code P117A mean on a 2016 Chevrolet Silverado?
P117A indicates that the Engine Control Module (ECM) has detected an issue with the signal or message counter for the engine block coolant valve, which controls coolant flow.
2. What are the common symptoms of code P117A in a Chevrolet Silverado?
Symptoms may include an illuminated check engine light, poor engine warm-up, fluctuating engine temperature, or reduced heater performance.
3. What causes the P117A code to appear in the 2016 Silverado?
The code can be caused by a malfunctioning engine block coolant valve, wiring issues, a failed ECM, or a software-related communication error.
4. Can I continue driving with a P117A code on my Silverado?
While the vehicle may still be drivable, ignoring the issue can lead to engine temperature regulation problems and potential long-term damage.
5. How do I diagnose the P117A code on a 2016 Chevrolet Silverado?
Start by scanning for additional codes, inspecting the coolant valve and its wiring for damage, and checking for proper signal communication using a diagnostic tool.
6. What are common fixes for the P117A code?
Common fixes include replacing the engine block coolant valve, repairing or replacing damaged wiring, or updating the ECM software if needed.
7. How much does it cost to repair a P117A code on a Chevrolet Silverado?
Repair costs can vary, but replacing a coolant valve typically ranges from $200 to $400, including parts and labor.
8. Can a faulty thermostat cause the P117A code?
No, the P117A code specifically relates to the engine block coolant valve signal, not the thermostat.
9. Does the P117A code require reprogramming the ECM?
In some cases, the ECM may need a software update to resolve communication errors, but this depends on the diagnosis.
10. Is the engine block coolant valve part of regular maintenance?
No, the engine block coolant valve is not a regular maintenance item and is typically replaced only when it fails.
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