P116A 2014 Chevrolet Silverado Code - O2 Signal Circuit (NOx Sensor 1)
Quick Answer
The P116A diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the O2 signal circuit for the NOx sensor 1. Common causes include Faulty NOx sensor, Damaged wiring or connectors in the O2 signal circuit, Issues with the engine control module (ECM). 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
- P116A 2014 Chevrolet Silverado indicates O2 Signal Circuit (NOx Sensor 1).
- Common causes
- Common causes include Faulty NOx sensor, Damaged wiring or connectors in the O2 signal circuit, Issues with the engine control module (ECM).
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P116A 2014 Chevrolet Silverado Description
The P116A diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the O2 signal circuit for the NOx sensor 1. This code indicates that there is an issue with the signal being sent by the NOx sensor 1, which is responsible for monitoring the levels of nitrogen oxide (NOx) in the exhaust gases. The NOx sensor plays a crucial role in ensuring that the vehicle meets emissions standards and operates efficiently.
Common Causes of P116A 2014 Chevrolet Silverado
- Faulty NOx sensor
- Damaged wiring or connectors in the O2 signal circuit
- Issues with the engine control module (ECM)
- Exhaust leaks affecting sensor readings
- Contaminated exhaust gases affecting sensor performance
Symptoms of P116A 2014 Chevrolet Silverado
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or engine misfires
- Reduced engine power
- Failed emissions test
How to Fix P116A 2014 Chevrolet Silverado
- Use a diagnostic scanner to retrieve the specific trouble code and confirm the issue with the NOx sensor 1.
- Inspect the wiring and connectors in the O2 signal circuit for any damage or corrosion. Repair or replace as necessary.
- Test the NOx sensor for proper functionality and replace if faulty.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying ECM issues or exhaust leaks.
Cost to Fix P116A 2014 Chevrolet Silverado
The typical repair costs for addressing a P116A code on a 2014 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate before proceeding with the repair.
Need more information about the P116A 2014 Chevrolet Silverado code?
Need more information on how to fix the P116A 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P116A 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P116A 2014 Chevrolet Silverado Code
1. What does the OBDII code P116A mean on a 2014 Chevrolet Silverado?
P116A indicates an issue with the oxygen (O2) signal circuit related to NOx Sensor 1, meaning the sensor is not providing proper feedback to the engine control module (ECM).
2. What are the symptoms of code P116A in a 2014 Chevrolet Silverado?
Symptoms may include reduced fuel efficiency, the check engine light turning on, poor engine performance, and possibly a noticeable change in exhaust emissions.
3. What causes the P116A code to appear?
Common causes include a faulty NOx Sensor 1, damaged wiring or connectors in the O2 signal circuit, software issues in the ECM, or exhaust system leaks.
4. Can code P116A cause engine damage if not fixed?
While the code itself may not cause immediate engine damage, ignoring it can lead to poor engine performance and increased emissions, which could strain engine components over time.
5. How do you diagnose the P116A code on a 2014 Chevrolet Silverado?
Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting wiring and connectors, testing the NOx sensor’s functionality, and checking for exhaust leaks near the sensor.
6. How do you fix the P116A code on a 2014 Chevrolet Silverado?
Repairs may include replacing the faulty NOx Sensor 1, repairing or replacing damaged wiring, updating the ECM software, or addressing any exhaust leaks.
7. Where is NOx Sensor 1 located on a 2014 Chevrolet Silverado?
NOx Sensor 1 is typically located in the exhaust system, upstream of the diesel particulate filter (DPF) in diesel models or near the catalytic converter in gas models.
8. Can a bad NOx sensor cause drivability issues?
Yes, a malfunctioning NOx sensor can result in poor engine performance, reduced power, and increased fuel consumption.
9. How much does it cost to repair a P116A code on a 2014 Chevrolet Silverado?
Repair costs can vary but typically range from $300 to $800, depending on whether the NOx sensor or wiring needs replacement and labor rates in your area.
10. Can I drive my 2014 Chevrolet Silverado with a P116A code?
Driving with this code is possible but not recommended, as it can lead to increased emissions, reduced fuel economy, and potential long-term damage to the exhaust system or engine.
Discuss the causes and fixes for P116A 2014 Chevrolet Silverado OBDII Code
Code P116A 2014 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.