P0116 2016 Chevrolet Silverado Code - Engine Coolant Temperature Sensor Performance
Quick Answer
The Engine Coolant Temperature (ECT) sensor is a variable resistor that measures the temperature of the engine coolant. Common causes include Low engine coolant level, Leaking or stuck open thermostat, Faulty Engine Coolant Temperature (ECT) sensor. 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
- P0116 2016 Chevrolet Silverado indicates Engine Coolant Temperature Sensor Performance.
- Common causes
- Common causes include Low engine coolant level, Leaking or stuck open thermostat, Faulty Engine Coolant Temperature (ECT) sensor.
- 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 P0116 2016 Chevrolet Silverado Description
The ECM uses this high side coolant rationality diagnostic to determine if the input from the ECT sensor is skewed warmer than normal. The internal clock of the ECM will record the amount of time the ignition is OFF. If the calibrated ignition OFF time is met at start-up, the ECM will compare the temperature difference between the ECT and the intake air temperature (IAT) to determine if the temperatures are within an acceptable operating range of each other. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a temperature difference at power-up that indicates that the ECT sensor is 30° C (86° F) warmer than the IAT sensor for less than 1 s.
What are the Possible Causes of the DTC P0116 2016 Chevrolet Silverado?
- Low engine coolant level
- Leaking or stuck open thermostat
- Faulty Engine Coolant Temperature (ECT) sensor
- Engine Coolant Temperature sensor harness is open or shorted
- Engine Coolant Temperature sensor electrical circuit poor connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0116 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 P0116 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 P0116 2016 Chevrolet Silverado Code
1. What does the OBDII code P0116 mean on a 2016 Chevrolet Silverado?
P0116 indicates a problem with the Engine Coolant Temperature (ECT) sensor, specifically that its performance is outside the expected range.
2. What are the common symptoms of code P0116 on a 2016 Chevrolet Silverado?
Common symptoms include poor fuel efficiency, engine overheating or running cold, hard starting, rough idling, or the check engine light turning on.
3. What causes the P0116 code to appear on a 2016 Chevrolet Silverado?
The code can be triggered by a faulty ECT sensor, wiring issues, poor electrical connections, low engine coolant, or a malfunctioning thermostat.
4. How can I fix the P0116 code on my 2016 Chevrolet Silverado?
Repairs may include replacing the ECT sensor, fixing damaged wiring or connectors, refilling coolant, or replacing a stuck thermostat.
5. Can I drive my 2016 Chevrolet Silverado with the P0116 code active?
It’s not recommended to drive for long periods with this code, as it can lead to engine overheating or inefficient performance, potentially causing further damage.
6. How do I diagnose the P0116 code on a 2016 Chevrolet Silverado?
Start by using an OBDII scanner to confirm the code, then inspect the ECT sensor, wiring, thermostat, and coolant level for any obvious issues.
7. Where is the Engine Coolant Temperature (ECT) sensor located on a 2016 Chevrolet Silverado?
The ECT sensor is typically located near the thermostat housing on the engine block.
8. What tools are needed to repair the P0116 code on a 2016 Chevrolet Silverado?
You may need an OBDII scanner, a multimeter for electrical testing, basic hand tools, and possibly a replacement ECT sensor or thermostat.
9. How much does it cost to fix the P0116 code on a 2016 Chevrolet Silverado?
Repair costs can range from $50 to $200 depending on whether the ECT sensor or thermostat needs replacement and whether labor is performed by a professional.
10. Can low coolant levels trigger the P0116 code on a 2016 Chevrolet Silverado?
Yes, low coolant levels can cause incorrect temperature readings, leading to the P0116 code appearing.
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