Engine-CodesChevrolet – P1479 2017 Chevrolet Silverado

P1479 2017 Chevrolet Silverado Code - Particulate Matter Sensor Sensitivity Factor Performance

Quick Answer

The P1479 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado relates to the Particulate Matter Sensor Sensitivity Factor Performance. Common causes include Faulty particulate matter sensor, Wiring issues or electrical connection problems, Software glitches or calibration errors. 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 2017 Chevrolet Silverado indicates Particulate Matter Sensor Sensitivity Factor Performance.
Common causes
Common causes include Faulty particulate matter sensor, Wiring issues or electrical connection problems, Software glitches or calibration errors.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P1479 2017 Chevrolet Silverado Description

The P1479 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado relates to the Particulate Matter Sensor Sensitivity Factor Performance. This code indicates that there is an issue with the sensitivity factor of the particulate matter sensor in the vehicle. The particulate matter sensor is responsible for monitoring the level of particulate matter in the exhaust system, which is crucial for emissions control and maintaining optimal engine performance. When the sensitivity factor is not performing as expected, it can lead to inaccurate readings and potentially cause the vehicle to exceed emission standards.

OBDII Code P1479 2017 Chevrolet Silverado - Particulate Matter Sensor Sensitivity Factor Performance
P1479 2017 Chevrolet Silverado Code - Particulate Matter Sensor Sensitivity Factor Performance

Common Causes of P1479 2017 Chevrolet Silverado

  1. Faulty particulate matter sensor
  2. Wiring issues or electrical connection problems
  3. Software glitches or calibration errors
  4. Exhaust system leaks or damage
  5. Poor quality fuel or contaminated fuel system

Symptoms of P1479 2017 Chevrolet Silverado

  1. Check Engine Light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Rough idling or engine misfires
  4. Reduced engine power
  5. Failed emissions test

How to Fix P1479 2017 Chevrolet Silverado

  1. Use a diagnostic scanner to retrieve and clear the P1479 code
  2. Inspect the particulate matter sensor and wiring for any damage or loose connections
  3. Test the sensor's sensitivity factor and replace if necessary
  4. Check and repair any exhaust system issues
  5. Perform a software update or recalibration of the sensor

Cost to Fix P1479 2017 Chevrolet Silverado

The typical repair costs for addressing a P1479 code on a 2017 Chevrolet Silverado can range from $200 to $500, depending on the specific cause of the issue and the labor rates in your area. This estimate includes the cost of parts such as a new particulate matter sensor, any necessary wiring repairs, and labor charges. It's important to consult with a trusted mechanic or dealership to get an accurate quote based on your vehicle's specific needs and location.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1479 2017 Chevrolet Silverado Code

1. What does the OBDII code P1479 mean on a 2017 Chevrolet Silverado?

P1479 indicates an issue with the particulate matter (PM) sensor sensitivity factor performance, suggesting the sensor isn’t detecting or reporting particulate matter levels accurately.

2. What are common symptoms of the P1479 code in a 2017 Chevy Silverado?

Typical symptoms include a check engine light, decreased fuel efficiency, reduced engine performance, or excessive exhaust smoke.

3. What causes the P1479 code to appear on a Chevrolet Silverado?

Common causes include a faulty particulate matter sensor, damaged wiring or connectors, software calibration issues, or excessive soot buildup in the exhaust system.

4. Can I drive my 2017 Chevrolet Silverado with a P1479 code?

While the vehicle may still be drivable, it’s not recommended as it can lead to poor emissions performance and potential damage to the exhaust system if not addressed.

5. How is the P1479 code diagnosed on a Chevy Silverado?

A technician will use a scan tool to confirm the code, inspect the particulate matter sensor and wiring for damage, check for excessive soot buildup, and verify proper sensor calibration.

6. What repairs are typically needed to fix the P1479 code?

Repairs may include replacing the particulate matter sensor, cleaning the exhaust system, repairing damaged wiring or connectors, or updating the engine control module (ECM) software.

7. How much does it cost to fix the P1479 code on a 2017 Silverado?

The repair cost can vary but typically ranges from $200 to $600, depending on whether the issue is with the sensor, wiring, or calibration.

8. Can a clogged particulate filter trigger the P1479 code?

Yes, a clogged diesel particulate filter (DPF) can cause excessive soot, which may lead to inaccurate readings from the particulate matter sensor and trigger the code.

9. Is the P1479 code covered under warranty for a 2017 Chevrolet Silverado?

It depends on your vehicle’s warranty. If your Silverado is still under the emissions warranty, the repair may be covered. Check with your dealer for details.

10. How can I prevent the P1479 code from recurring?

Regular maintenance, such as cleaning the DPF, using high-quality fuel, and ensuring the exhaust system is in good condition, can help prevent the P1479 code from reappearing.

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