P1479 2016 GMC Sierra Code - Particulate Matter Sensor Sensitivity Factor Performance
Quick Answer
The P1479 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Particulate Matter (PM) sensor sensitivity factor performance. Common causes include Contaminated sensor, Wiring issues, Sensor degradation. 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
- P1479 2016 GMC Sierra indicates Particulate Matter Sensor Sensitivity Factor Performance.
- Common causes
- Common causes include Contaminated sensor, Wiring issues, Sensor degradation.
- 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 P1479 2016 GMC Sierra Description
The P1479 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Particulate Matter (PM) sensor sensitivity factor performance. The PM sensor is a crucial component of the vehicle's emissions control system, responsible for monitoring the amount of particulate matter in the exhaust gases. This sensor plays a vital role in ensuring that the vehicle meets emissions standards and operates efficiently.
Common Causes of P1479 2016 GMC Sierra
- Contaminated sensor
- Wiring issues
- Sensor degradation
- Faulty sensor
- Exhaust system leaks
Symptoms of P1479 2016 GMC Sierra
- Check engine light illuminated
- Decreased fuel efficiency
- Reduced engine performance
- Failed emissions test
- Rough idling or stalling
How to Fix P1479 2016 GMC Sierra
- Diagnose the issue by using a scan tool to read the DTC and inspecting the PM sensor for any visible damage or contamination.
- Clean the sensor to remove any contaminants that may be affecting its performance.
- Check the wiring connections to ensure they are secure and free of damage.
- Replace the PM sensor if it is found to be faulty or degraded.
- Clear the DTC and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P1479 2016 GMC Sierra
The typical repair costs for addressing a P1479 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the cost of replacing a PM sensor can range from $200 to $500, including parts and labor. However, additional costs may apply if there are other underlying issues that need to be addressed. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates can vary between different locations and types of repair facilities.
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Frequently Asked Questions about P1479 2016 GMC Sierra Code
What does the OBDII code P1479 mean on a 2016 GMC Sierra?
P1479 indicates an issue with the Particulate Matter Sensor Sensitivity Factor Performance, meaning the sensor is not detecting or reporting particulate matter levels as expected.
What are the common symptoms of code P1479?
Common symptoms include reduced fuel efficiency, illuminated Check Engine Light, potential loss of power, and increased exhaust emissions.
What causes the P1479 code to appear?
Possible causes include a faulty particulate matter sensor, wiring or connector issues, excessive soot buildup, or a problem with the exhaust system.
Can driving with code P1479 damage my vehicle?
Driving with this code may not immediately damage your vehicle, but it can lead to increased emissions, reduced efficiency, and possible damage to the exhaust system or DPF if left unresolved.
How is the P1479 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the particulate matter sensor and its wiring, and test the exhaust system for clogs or leaks.
Can a dirty particulate matter sensor cause code P1479?
Yes, excessive soot or debris on the sensor can impair its function and trigger this code.
How can I fix the P1479 code on a 2016 GMC Sierra?
Repairs may include cleaning or replacing the particulate matter sensor, repairing damaged wiring or connectors, or addressing exhaust system issues.
How much does it cost to fix code P1479?
The repair cost can range from $100 to $400, depending on whether the sensor needs cleaning, repair, or replacement.
Can a software update resolve the P1479 code?
In some cases, a software update for the engine control module (ECM) may resolve the issue if it’s related to incorrect sensitivity calibration.
Is code P1479 covered under warranty for a 2016 GMC Sierra?
This depends on the vehicle's warranty terms and mileage. Check with your local dealership to see if emissions-related components are still covered.
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