AutoCodes – Chevrolet – P003A 2018 Chevrolet Silverado

P003A 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 486

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Turbocharger Boost Control Position Not Learned - AutoCodes.com — P003A 2018 Chevrolet Silverado Code - Turbocharger Boost Control Position Not Learned

What does this mean?

What are the Possible Causes of the DTC P003A 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the P003A 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P003A 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado Code

1. What does OBDII code P003A on a 2018 Chevrolet Silverado indicate?

- OBDII code P003A on a 2018 Chevrolet Silverado indicates a Turbocharger Boost Control Position Not Learned error.

2. What are the common symptoms of OBDII code P003A on a 2018 Chevrolet Silverado?

- Common symptoms of OBDII code P003A include reduced engine power, poor acceleration, and possibly the vehicle going into limp mode.

3. What are the possible causes of OBDII code P003A on a 2018 Chevrolet Silverado?

- Possible causes of OBDII code P003A include a faulty turbocharger actuator, wiring issues, sensor malfunctions, or a problem with the turbo boost control position sensor.

4. How can I diagnose the OBDII code P003A on a 2018 Chevrolet Silverado?

- Diagnosing OBDII code P003A typically involves using a scan tool to read the code, checking the turbocharger system for any visible damage, and performing a thorough inspection of related components.

5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P003A?

- It is not recommended to continue driving your 2018 Chevrolet Silverado with OBDII code P003A as it can lead to further damage to the turbocharger system and potentially other engine components.

6. How can I repair OBDII code P003A on a 2018 Chevrolet Silverado?

- Repairing OBDII code P003A may involve resetting the turbocharger boost control position, replacing the turbocharger actuator, repairing any damaged wiring or sensors, or seeking professional assistance for a thorough diagnosis and repair.

7. Is it possible to reset OBDII code P003A on a 2018 Chevrolet Silverado by disconnecting the battery?

- Disconnecting the battery may reset the code temporarily, but 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 2018 Chevrolet Silverado?

- Depending on the level of expertise and access to tools, a DIY enthusiast may be able to address some aspects of OBDII code P003A, but complex issues may require professional assistance.

9. How much does it cost to repair OBDII code P003A on a 2018 Chevrolet Silverado?

- The cost of repairing OBDII code P003A on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs involved in the repair process.

10. What steps can I take to prevent OBDII code P003A from occurring on my 2018 Chevrolet Silverado?

- To prevent OBDII code P003A, regular maintenance of the turbocharger system, ensuring proper care of engine components, and addressing any warning signs promptly can help avoid this issue.