P22FE 2017 GMC Sierra Code - NOx Sensor 2 Performance - Sensing Element
Quick Answer
The P22FE diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the NOx Sensor 2 Performance - Sensing Element. Common causes include Faulty NOx Sensor: The NOx sensor itself may be faulty and in need of replacement, Wiring or Connector Issues: Problems with the wiring or connectors associated with the NOx sensor can cause the P22FE code to be triggered, ECM Malfunction: A malfunction in the engine control module (ECM) could prevent the NOx sensor from functioning properly. 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
- P22FE 2017 GMC Sierra indicates NOx Sensor 2 Performance - Sensing Element.
- Common causes
- Common causes include Faulty NOx Sensor: The NOx sensor itself may be faulty and in need of replacement, Wiring or Connector Issues: Problems with the wiring or connectors associated with the NOx sensor can cause the P22FE code to be triggered, ECM Malfunction: A malfunction in the engine control module (ECM) could prevent the NOx sensor from functioning properly.
- 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 P22FE 2017 GMC Sierra Description
The P22FE diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the NOx Sensor 2 Performance - Sensing Element. This code indicates that there is a problem with the performance of the NOx sensor's sensing element. The NOx sensor is a crucial component in the vehicle's emissions control system, responsible for monitoring and detecting the levels of nitrogen oxide (NOx) in the exhaust gases. The sensing element of the NOx sensor is designed to measure the concentration of NOx in the exhaust stream accurately.
Common Causes of P22FE 2017 GMC Sierra
- Faulty NOx Sensor: The NOx sensor itself may be faulty and in need of replacement.
- Wiring or Connector Issues: Problems with the wiring or connectors associated with the NOx sensor can cause the P22FE code to be triggered.
- ECM Malfunction: A malfunction in the engine control module (ECM) could prevent the NOx sensor from functioning properly.
- Exhaust System Leaks: Leaks in the exhaust system can affect the readings of the NOx sensor, leading to the code being triggered.
Symptoms of P22FE 2017 GMC Sierra
- Check Engine Light: The most common symptom associated with the P22FE code is the illumination of the check engine light on the vehicle's dashboard.
- Decreased Fuel Efficiency: A malfunctioning NOx sensor can lead to decreased fuel efficiency as the engine may not be operating at optimal levels.
- Poor Performance: The vehicle may experience a reduction in performance, including rough idling, hesitation, or lack of power.
- Failed Emissions Test: If the NOx sensor is not functioning correctly, the vehicle may fail emissions tests due to increased NOx emissions.
How to Fix P22FE 2017 GMC Sierra
- Diagnose the Issue: Use a diagnostic scanner to retrieve the specific trouble code and perform further testing to pinpoint the exact cause of the P22FE code.
- Replace NOx Sensor: If the NOx sensor is determined to be faulty, it will need to be replaced with a new sensor that meets the manufacturer's specifications.
- Check Wiring and Connectors: Inspect the wiring and connectors associated with the NOx sensor for any damage or corrosion, repairing or replacing as necessary.
- Clear Codes and Test: After the repair is completed, clear the trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P22FE 2017 GMC Sierra
The typical repair costs for addressing the P22FE code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of a new NOx sensor can range from $200 to $500, depending on the brand and quality of the sensor. Additionally, labor costs for diagnosis and replacement can range from $150 to $300, with total repair costs potentially amounting to $350 to $800.
Need more information about the P22FE 2017 GMC Sierra code?
Need more information on how to fix the P22FE 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P22FE 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P22FE 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code P22FE in a 2017 GMC Sierra related to NOx Sensor 2 performance?
- Common symptoms may include reduced engine performance, decreased fuel efficiency, and illuminated Check Engine light.
2. What are the possible causes of OBDII code P22FE in a 2017 GMC Sierra indicating an issue with the NOx Sensor 2 sensing element?
- Potential causes can include a faulty NOx sensor, wiring issues, sensor circuit problems, or a malfunctioning sensing element.
3. How can I diagnose the OBDII code P22FE in my 2017 GMC Sierra related to NOx Sensor 2 performance?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, inspecting the NOx sensor wiring and connections, and testing the sensor's functionality.
4. Can a DIY enthusiast repair OBDII code P22FE in a 2017 GMC Sierra caused by NOx Sensor 2 performance issues?
- While basic inspections and checks can be done by DIYers, repairing or replacing the NOx sensor or its sensing element may require specialized tools and expertise best handled by a professional mechanic.
5. Are there any quick tips to troubleshoot OBDII code P22FE in a 2017 GMC Sierra related to NOx Sensor 2 performance?
- Quick tips include checking for loose or damaged sensor connections, ensuring proper wiring integrity, and verifying the sensor's readings for anomalies.
6. What is the function of the NOx Sensor 2 sensing element in a 2017 GMC Sierra triggering OBDII code P22FE?
- The NOx Sensor 2 sensing element monitors the levels of nitrogen oxide (NOx) emissions in the vehicle's exhaust system, helping to ensure compliance with emissions regulations.
7. How urgent is it to address OBDII code P22FE in a 2017 GMC Sierra linked to NOx Sensor 2 performance issues?
- While the vehicle may still be operable with this code, it is important to address the underlying issue promptly to prevent potential damage to the engine or catalytic converter.
8. Can driving with OBDII code P22FE in a 2017 GMC Sierra related to NOx Sensor 2 performance cause further damage?
- Continuing to drive with this code unresolved may lead to increased emissions, reduced fuel efficiency, and possible harm to other emission control components in the long run.
9. How much does it typically cost to repair OBDII code P22FE in a 2017 GMC Sierra due to NOx Sensor 2 performance problems?
- Repair costs can vary based on the exact cause of the issue, but generally, replacing a faulty NOx sensor or sensing element can range from $200 to $600, including parts and labor.
10. Is it recommended to reset the Check Engine light after repairing OBDII code P22FE in a 2017 GMC Sierra related to NOx Sensor 2 performance?
- Yes, it is advisable to clear the trouble codes and reset the Check Engine light after resolving the NOx Sensor 2 performance issue to ensure proper monitoring of the vehicle's status.
Discuss the causes and fixes for P22FE 2017 GMC Sierra OBDII Code
Code P22FE 2017 GMC Sierra 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.