AutoCodes – GMC – P003A 2016 GMC Sierra

P003A 2016 GMC Sierra Code - Turbocharger Boost Control Position Not Learned

Quick Answer

Each time the vehicle is operated, and the Ignition is turned off, the smart Variable Geometry Turbocharger (VGT) actuator performs a position learn function. 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: P003A 2016 GMC Sierra indicates Turbocharger Boost Control Position Not Learned.
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 300

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 May 13, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P003A 2016 GMC Sierra Description

Each time the vehicle is operated, and the Ignition is turned off, the smart Variable Geometry Turbocharger (VGT) actuator performs a position learn function. The actuator sweeps the arm and turbocharger vanes to the fully closed position and to the fully open position. The actuator measures the position in counts and can detect a position that exceeds the fully open or fully closed limit. The Diagnostic Trouble Code (DTC) will be set when the smart VGT actuator has detected an actuator arm position that exceeds the low or high threshold, at ignition Off.

OBDII Code P003A 2016 GMC Sierra - Turbocharger Boost Control Position Not Learned - AutoCodes.com — P003A 2016 GMC Sierra Code - Turbocharger Boost Control Position Not Learned

What does this mean?

What are the Possible Causes of the DTC P003A 2016 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 P003A 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 P003A 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 P003A 2016 GMC Sierra code?

Need more information on how to fix the P003A 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P003A 2016 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 P003A 2016 GMC Sierra Code

1. What does OBDII code P003A mean for a 2016 GMC Sierra?

This code indicates a problem with the Turbocharger Boost Control Position Not Learned on the vehicle.

2. What are the common symptoms of OBDII code P003A on a 2016 GMC Sierra?

Common symptoms include reduced engine power, poor acceleration, and potential stalling of the vehicle.

3. What are the possible causes of OBDII code P003A on a 2016 GMC Sierra?

The code may be triggered by issues such as a faulty turbocharger actuator, wiring problems, or a malfunctioning boost control position sensor.

4. How can I diagnose OBDII code P003A on my 2016 GMC Sierra?

Diagnostic steps may include checking the turbocharger system for leaks, testing the boost control position sensor, and inspecting the wiring for any damage.

5. Can I still drive my 2016 GMC Sierra with OBDII code P003A?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions.

6. How can I repair OBDII code P003A on my 2016 GMC Sierra?

Repair options may involve replacing the turbocharger actuator, repairing any damaged wiring, or recalibrating the boost control position sensor.

7. Is it possible to reset OBDII code P003A on a 2016 GMC Sierra by disconnecting the battery?

While disconnecting the battery may reset the code temporarily, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code P003A on a 2016 GMC Sierra?

Depending on the level of expertise, DIY enthusiasts may be able to diagnose and repair some aspects of this code, but complex issues may require professional assistance.

9. How much does it typically cost to repair OBDII code P003A on a 2016 GMC Sierra?

The cost of repairs can vary based on the specific cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How often does OBDII code P003A occur in 2016 GMC Sierra vehicles?

While the frequency can vary, this code may occur sporadically in some vehicles due to factors like mileage, maintenance history, and driving conditions.