AutoCodes – GMC – P15FA 2016 GMC Sierra

P15FA 2016 GMC Sierra Code - Wheel Slip Status Signal Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Wheel Speed Sensor, Wheel Speed Sensor harness is open or shorted, Wheel Speed Sensor circuit poor electrical connection. 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
P15FA 2016 GMC Sierra indicates Wheel Slip Status Signal Message Counter Incorrect.
Common causes
Common causes include Faulty Wheel Speed Sensor, Wheel Speed Sensor harness is open or shorted, Wheel Speed Sensor circuit poor electrical connection.
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 Popularity 164
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 28, 2022
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Code P15FA 2016 GMC Sierra Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Wheel Slip Status Signal Message Counter is Incorrect.
OBDII Code P15FA 2016 GMC Sierra - Wheel Slip Status Signal Message Counter Incorrect - AutoCodes.com
P15FA 2016 GMC Sierra Code - Wheel Slip Status Signal Message Counter Incorrect

What are the Possible Causes of the DTC P15FA 2016 GMC Sierra?

  • Faulty Wheel Speed Sensor
  • Wheel Speed Sensor harness is open or shorted
  • Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC P15FA 2016 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P15FA 2016 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 P15FA 2016 GMC Sierra code?

Need more information on how to fix the P15FA 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P15FA 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P15FA in a 2016 GMC Sierra?

The common symptoms of OBDII code P15FA in a 2016 GMC Sierra include the traction control and stability control systems being disabled, along with the illumination of the traction control warning light on the dashboard.

2. What does the OBDII code P15FA in a 2016 GMC Sierra indicate?

The OBDII code P15FA indicates that the Wheel Slip Status Signal Message Counter is incorrect, meaning there is a discrepancy in the information being received by the vehicle's traction control system.

3. What are the possible causes of OBDII code P15FA in a 2016 GMC Sierra?

Possible causes of OBDII code P15FA in a 2016 GMC Sierra include a faulty wheel speed sensor, damaged wiring or connectors related to the wheel speed sensor, or issues with the traction control module.

4. How can I diagnose OBDII code P15FA in my 2016 GMC Sierra?

Diagnosing OBDII code P15FA in a 2016 GMC Sierra typically involves using a diagnostic scanner to retrieve the trouble codes, checking the wheel speed sensors and their wiring for any visible damage, and testing the traction control module for proper functionality.

5. Can I still drive my 2016 GMC Sierra with OBDII code P15FA?

It is not recommended to drive your 2016 GMC Sierra with OBDII code P15FA, as the traction control and stability control systems may be disabled, compromising the vehicle's handling and safety.

6. How can I repair OBDII code P15FA in my 2016 GMC Sierra?

To repair OBDII code P15FA in a 2016 GMC Sierra, you may need to replace a faulty wheel speed sensor, repair damaged wiring or connectors, or reprogram the traction control module to correct the signal message counter discrepancy.

7. Is it necessary to reset the OBDII code P15FA after repairing my 2016 GMC Sierra?

Yes, it is important to reset the OBDII code P15FA after repairing your 2016 GMC Sierra to clear the fault codes from the system and ensure that the issue has been resolved successfully.

8. Can extreme weather conditions trigger OBDII code P15FA in a 2016 GMC Sierra?

Extreme weather conditions, such as heavy rain or snow, may potentially trigger OBDII code P15FA in a 2016 GMC Sierra if water or debris interferes with the wheel speed sensors or their connections.

9. Will OBDII code P15FA in a 2016 GMC Sierra cause engine performance issues?

OBDII code P15FA in a 2016 GMC Sierra primarily affects the traction control and stability control systems, so it may not directly cause engine performance issues, but it can impact vehicle handling and safety.

10. How can I prevent OBDII code P15FA from occurring in my 2016 GMC Sierra?

To prevent OBDII code P15FA from occurring in your 2016 GMC Sierra, it is important to regularly inspect and maintain the wheel speed sensors, wiring, and traction control system components to ensure they are functioning properly.

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