AutoCodes – GMC – P00AF 2015 GMC Sierra

P00AF 2015 GMC Sierra Code - Turbocharger Boost Control Module Performance

Quick Answer

The smart variable geometry turbocharger actuator detects internal faults including pattern errors, motor overcurrent errors, and checksum errors. Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator 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: P00AF 2015 GMC Sierra indicates Turbocharger Boost Control Module Performance.
Common causes: Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator 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 226

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 Jul 15, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P00AF 2015 GMC Sierra Description

The smart variable geometry turbocharger actuator detects internal faults including pattern errors, motor overcurrent errors, and checksum errors. The Diagnostic Trouble Code (DTC) will be set when the smart variable geometry turbo actuator has detected an internal malfunction for greater than 5 s.

OBDII Code P00AF 2015 GMC Sierra - Turbocharger Boost Control Module Performance - AutoCodes.com — P00AF 2015 GMC Sierra Code - Turbocharger Boost Control Module Performance

What does this mean?

What are the Possible Causes of the DTC P00AF 2015 GMC Sierra?

Faulty Turbocharger Vane Position Actuator
Turbocharger Vane Position Actuator harness is open or shorted
Turbocharger Vane Position Actuator circuit poor electrical connection

How to Fix the DTC P00AF 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 P00AF 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 P00AF 2015 GMC Sierra 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 P00AF 2015 GMC Sierra Code

1. What does the OBDII code P00AF mean on a 2015 GMC Sierra?

The code P00AF indicates a performance issue with the Turbocharger Boost Control Module, which monitors and adjusts turbocharger boost levels.

2. What are common symptoms of the P00AF code on a 2015 GMC Sierra?

Symptoms include reduced engine power, poor acceleration, excessive exhaust smoke, a check engine light, and decreased fuel efficiency.

3. What causes the P00AF code to appear?

Common causes include a faulty turbocharger actuator, issues with the boost pressure sensor, wiring problems, a stuck turbocharger vane, or a failing turbocharger.

4. Can I drive my 2015 GMC Sierra with the P00AF code?

Driving with this code is not recommended, as it can lead to reduced performance, increased emissions, and potential damage to the turbocharger or engine over time.

5. How is the P00AF code diagnosed?

A mechanic will typically use a scan tool to read the code, inspect the turbocharger system, check for damaged wiring or connectors, and test the boost pressure sensor and actuator.

6. What repairs are commonly needed to fix the P00AF code?

Repairs might include replacing a faulty turbocharger actuator, repairing or replacing damaged wiring, cleaning or replacing stuck turbocharger vanes, or replacing the boost pressure sensor.

7. How much does it cost to repair the P00AF code on a 2015 GMC Sierra?

Repair costs vary depending on the issue but can range from $200 for sensor replacements to $2,500 or more for turbocharger replacement.

8. Can the P00AF code be caused by software issues?

Yes, in some cases, outdated or corrupted engine control module (ECM) software can trigger the code, and a software update may resolve the issue.

9. What tools are needed to troubleshoot the P00AF code?

A diagnostic scan tool, multimeter, and possibly a boost pressure gauge are commonly used to diagnose and troubleshoot this code.

10. How can I prevent the P00AF code from occurring again?

Regular maintenance, using high-quality oil and fuel, and addressing minor turbocharger or engine issues promptly can help prevent this code from reappearing.