P119E 2016 GMC Sierra Code - NOx Sensor 2 Signal Circuit Low Voltage
Quick Answer
The P119E code for a 2016 GMC Sierra indicates a low voltage signal from the NOx Sensor 2. Common causes include Faulty NOx sensor, Wiring or connector issues in the sensor circuit, Exhaust system leaks. 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
- P119E 2016 GMC Sierra indicates NOx Sensor 2 Signal Circuit Low Voltage.
- Common causes
- Common causes include Faulty NOx sensor, Wiring or connector issues in the sensor circuit, Exhaust system leaks.
- 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 P119E 2016 GMC Sierra Description
The P119E code for a 2016 GMC Sierra indicates a low voltage signal from the NOx Sensor 2. The NOx sensor is responsible for monitoring the levels of nitrogen oxide in the vehicle's exhaust gases. When the voltage signal from the sensor is too low, it can affect the engine's performance and emissions control system. This can lead to increased emissions, reduced fuel efficiency, and potential damage to other components of the exhaust system.
Common Causes of P119E 2016 GMC Sierra
- Faulty NOx sensor
- Wiring or connector issues in the sensor circuit
- Exhaust system leaks
- Engine misfires
- Software or calibration issues
Symptoms of P119E 2016 GMC Sierra
- Decreased fuel efficiency
- Rough idling or hesitation during acceleration
- Check engine light illuminated
- Failed emissions test
- Increased exhaust emissions
How to Fix P119E 2016 GMC Sierra
- Begin by conducting a thorough inspection of the NOx sensor 2 and its wiring for any visible damage or corrosion.
- Test the NOx sensor 2 for proper voltage output using a multimeter to determine if it is functioning correctly.
- If the sensor is faulty, replace it with a new OEM or aftermarket sensor that meets the manufacturer's specifications.
- Check and repair any damaged wiring or connectors in the sensor circuit to ensure proper signal transmission.
- Clear the diagnostic trouble codes and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P119E 2016 GMC Sierra
The cost of repairing a P119E code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of a new NOx sensor 2 can range from $200 to $500, while labor costs for diagnosis and repair can add an additional $100 to $300. Overall, you can expect to pay anywhere from $300 to $800 for this repair, but it's important to consult with a professional mechanic or dealership for a more accurate estimate based on your location and vehicle specifics.
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