AutoCodes – GMC – P15FA 2015 GMC Sierra

P15FA 2015 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 2015 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 156

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P15FA 2015 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 2015 GMC Sierra - Wheel Slip Status Signal Message Counter Incorrect - AutoCodes.com — P15FA 2015 GMC Sierra Code - Wheel Slip Status Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P15FA 2015 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 2015 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 2015 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 2015 GMC Sierra code?

Need more information on how to fix the P15FA 2015 GMC Sierra code? Get Access to Factory Service Manuals

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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 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P15FA in a 2015 GMC Sierra?

The common symptoms include the check engine light being illuminated, reduced vehicle performance, and potential issues with the anti-lock braking system (ABS).

2. What does the OBDII code P15FA indicate in a 2015 GMC Sierra?

P15FA indicates that the Wheel Slip Status Signal Message Counter is incorrect, suggesting a problem with the communication between the wheel slip module and other vehicle systems.

3. What are the possible causes of the P15FA code in a 2015 GMC Sierra?

Possible causes include faulty wheel slip module, wiring issues, poor connections, software glitches, or a malfunction in the ABS system.

4. How can I diagnose the P15FA code in my 2015 GMC Sierra?

Diagnosis typically involves using an OBDII scanner to retrieve the specific code, inspecting the wheel slip module and related wiring, and performing a thorough visual inspection for any signs of damage or corrosion.

5. Can I continue driving my 2015 GMC Sierra with the P15FA code present?

It is not recommended to continue driving with the P15FA code active, as it can affect the vehicle's stability control system and compromise overall safety.

6. How can I repair the P15FA code in my 2015 GMC Sierra?

Repair options may include replacing the wheel slip module, repairing any wiring issues, ensuring proper connections, and updating software as needed.

7. Will resetting the trouble code make the P15FA issue go away in my 2015 GMC Sierra?

Resetting the trouble code may temporarily turn off the check engine light, but if the underlying issue causing the P15FA code is not addressed, the problem is likely to reoccur.

8. Is it necessary to visit a mechanic for P15FA code diagnosis and repair in a 2015 GMC Sierra?

While some basic checks can be done by the vehicle owner, it is advisable to consult a professional mechanic with experience in diagnosing and repairing ABS and stability control system issues for an accurate and thorough resolution.

9. How much can I expect to pay for repairing the P15FA code in my 2015 GMC Sierra?

The cost of repairing the P15FA code can vary depending on the exact cause of the issue, parts needed for replacement, labor costs, and any additional services required. It is recommended to obtain quotes from different mechanics for an accurate estimate.

10. Can regular maintenance help prevent the P15FA code from appearing in my 2015 GMC Sierra?

Regular maintenance, including checking the ABS system during routine inspections, can help identify potential issues early on and prevent the occurrence of codes like P15FA.