P116E 2015 Chevrolet Silverado Code - O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)
Quick Answer
The P116E code on a 2015 Chevrolet Silverado indicates a problem with the O2 pump current control circuit, specifically related to the NOx Sensor 1. Common causes include Faulty O2 pump current control circuit, Wiring issues or shorts in the circuit, Malfunctioning NOx 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
- P116E 2015 Chevrolet Silverado indicates O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1).
- Common causes
- Common causes include Faulty O2 pump current control circuit, Wiring issues or shorts in the circuit, Malfunctioning NOx 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.
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Code P116E 2015 Chevrolet Silverado Description
The P116E code on a 2015 Chevrolet Silverado indicates a problem with the O2 pump current control circuit, specifically related to the NOx Sensor 1. This code is triggered when the powertrain control module (PCM) detects that the voltage in the O2 pump current control circuit is lower than expected. The NOx sensor plays a crucial role in monitoring and controlling the levels of nitrogen oxides in the exhaust gases, which are harmful pollutants.
Common Causes of P116E 2015 Chevrolet Silverado
- Faulty O2 pump current control circuit
- Wiring issues or shorts in the circuit
- Malfunctioning NOx sensor
- PCM software issues
- Electrical connection problems
Symptoms of P116E 2015 Chevrolet Silverado
- Decreased fuel efficiency
- Rough idling or engine misfires
- Illuminated check engine light
- Failed emissions test
- Reduced engine performance
How to Fix P116E 2015 Chevrolet Silverado
- Diagnose the issue using a scan tool to confirm the P116E code and pinpoint the exact cause.
- Inspect the wiring and connections in the O2 pump current control circuit for any damage or corrosion.
- Test the NOx sensor to determine if it is functioning correctly or needs replacement.
- Check the PCM for any software updates or reprogramming that may be necessary to resolve the issue.
- Clear the code from the PCM's memory after completing the repair and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P116E 2015 Chevrolet Silverado
The typical repair costs for addressing a P116E code on a 2015 Chevrolet Silverado can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. For a more accurate estimate, it's recommended to consult with a local auto repair shop.
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Frequently Asked Questions about P116E 2015 Chevrolet Silverado Code
What does OBDII code P116E mean for a 2015 Chevrolet Silverado?
P116E indicates "O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)," meaning there’s an issue with the oxygen pump circuit in the NOx sensor.
What are the symptoms of code P116E in a 2015 Chevrolet Silverado?
Common symptoms include reduced fuel efficiency, poor engine performance, and the check engine light turning on.
What causes code P116E in a 2015 Chevrolet Silverado?
Possible causes include a faulty NOx sensor, damaged wiring or connectors, or issues with the vehicle's ECU.
Can driving with code P116E damage my 2015 Chevrolet Silverado?
Driving with this code may lead to increased emissions and reduced fuel efficiency, but it typically won’t cause immediate damage. Addressing it promptly is recommended.
How do you diagnose code P116E in a 2015 Chevrolet Silverado?
Diagnosis involves scanning the vehicle with an OBDII tool, inspecting the NOx sensor and wiring, and checking for related issues in the exhaust system.
Can I fix code P116E myself on a 2015 Chevrolet Silverado?
If you’re experienced with car repairs, you may be able to check connections or replace the NOx sensor. Otherwise, professional assistance is recommended.
How much does it cost to repair code P116E on a 2015 Chevrolet Silverado?
Repair costs vary but typically range from $300 to $600, depending on whether the NOx sensor or wiring needs replacement.
Is code P116E related to the emissions system?
Yes, P116E is directly related to the emissions system, as the NOx sensor monitors and helps control exhaust emissions.
Can a bad NOx sensor trigger code P116E?
Yes, a malfunctioning or damaged NOx sensor is one of the most common reasons for this code.
What tools do I need to repair code P116E on a 2015 Chevrolet Silverado?
You’ll need an OBDII scanner, basic hand tools, and potentially a replacement NOx sensor or wiring harness.
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