AutoCodesGMC – P013F 2014 GMC Sierra

P013F 2014 GMC Sierra Code - HO2S Delay Response Lean to Rich Bank 1 Sensor 2

Quick Answer

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P013F 2014 GMC Sierra indicates HO2S Delay Response Lean to Rich Bank 1 Sensor 2.
Common causes
Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 311
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 28, 2022
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P013F 2014 GMC Sierra Description

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content of the exhaust stream. When the engine is started, the Engine Control Module (ECM) operates in an Open Loop mode, ignoring the HO2S signal voltage while calculating the air-to-fuel ratio. While the engine runs, the HO2S heats up and begins to generate a voltage within a range of 0 - 1, 000 mV. Once sufficient HO2S voltage fluctuation is observed by the ECM, Closed Loop is entered. The ECM uses the HO2S voltage to determine the air-to-fuel ratio. An HO2S voltage that increases toward 1, 000 mV indicates a rich fuel mixture. An HO2S voltage that decreases toward 0 mV indicates a lean fuel mixture.
The heating elements inside each HO2S heat the sensor to bring the sensor up to operating conditions faster. This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the O2 sensor voltage has not increased above 350 mV within a calibrated value of accumulated airflow.
OBDII Code P013F 2014 GMC Sierra - HO2S Delay Response Lean to Rich Bank 1 Sensor 2 - AutoCodes.com
P013F 2014 GMC Sierra Code - HO2S Delay Response Lean to Rich Bank 1 Sensor 2

What are the Possible Causes of the DTC P013F 2014 GMC Sierra?

  • Faulty Heated Oxygen Bank 1 Sensor 2
  • Heated Oxygen Bank 1 Sensor 2 harness is open or shorted
  • Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection
  • Low or high fuel system pressure
  • Fuel contamination
  • Faulty fuel injectors
  • Exhaust gas leaks
  • Engine vacuum leaks

How to Fix the DTC P013F 2014 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P013F 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P013F 2014 GMC Sierra code?

Need more information on how to fix the P013F 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P013F 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 P013F 2014 GMC Sierra Code

1. What does the OBDII code P013F mean for a 2014 GMC Sierra?

P013F indicates that the downstream oxygen sensor (Bank 1, Sensor 2) is taking too long to switch from a lean to a rich state, suggesting a possible issue with fuel mixture monitoring or sensor performance.

2. What are the common symptoms of code P013F in a 2014 GMC Sierra?

Symptoms may include an illuminated Check Engine Light, reduced fuel efficiency, rough idling, or failed emissions tests.

3. What causes the P013F code to appear on a 2014 GMC Sierra?

Common causes include a faulty oxygen sensor, exhaust leaks, a damaged catalytic converter, or issues with the engine control module (ECM).

4. Can a dirty or faulty oxygen sensor trigger code P013F?

Yes, a dirty or malfunctioning oxygen sensor can delay the response time from lean to rich, causing this code to appear.

5. How can I diagnose the P013F code on my 2014 GMC Sierra?

Use an OBDII scanner to confirm the code, then inspect the downstream oxygen sensor, check for exhaust leaks, and test the sensor's response time with a multimeter.

6. Can driving with a P013F code damage my 2014 GMC Sierra?

Driving with this code for an extended period can lead to increased emissions, reduced fuel efficiency, and potential damage to the catalytic converter.

7. How do I fix the P013F code on a 2014 GMC Sierra?

Repairs may include replacing the downstream oxygen sensor, fixing exhaust leaks, or repairing the catalytic converter if damaged.

8. How much does it cost to fix a P013F code on a 2014 GMC Sierra?

The cost varies depending on the issue, but replacing the oxygen sensor typically costs $150-$300, including parts and labor.

9. Can a faulty catalytic converter cause the P013F code?

Yes, a damaged or inefficient catalytic converter can affect the oxygen sensor's readings and trigger this code.

10. Will clearing the P013F code solve the problem on my 2014 GMC Sierra?

Clearing the code will temporarily remove it, but if the root cause isn't fixed, the code will likely return.

Discuss the causes and fixes for P013F 2014 GMC Sierra OBDII Code

Code P013F 2014 GMC Sierra comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play