AutoCodes – Chevrolet – P0046 2016 Chevrolet Silverado

P0046 2016 Chevrolet Silverado Code - Turbocharger Boost Control Position Performance

Quick Answer

A smart turbocharger vane position actuator incorporates a brushless motor and is mounted on top of the turbocharger. 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: P0046 2016 Chevrolet Silverado indicates Turbocharger Boost Control Position 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 410

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 P0046 2016 Chevrolet Silverado Description

A smart turbocharger vane position actuator incorporates a brushless motor and is mounted on top of the turbocharger. It is connected to the vanes by a linkage rod. The vanes are used to vary the amount of boost pressure and can control the boost pressure independent of engine speed. The vanes mount to a unison ring which is rotated to change the vane angle. The Engine Control Module (ECM) communicates with the actuator via the Controller Area Network (CAN) bus. The ECM will vary the vane angle which adjusts the boost dependent on the load requirements of the engine. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the difference between the commanded turbocharger vane position and the actual turbocharger vane position is greater than 15%, for greater than 10 s.

OBDII Code P0046 2016 Chevrolet Silverado - Turbocharger Boost Control Position Performance - AutoCodes.com — P0046 2016 Chevrolet Silverado Code - Turbocharger Boost Control Position Performance

What does this mean?

What are the Possible Causes of the DTC P0046 2016 Chevrolet Silverado?

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

How to Fix the DTC P0046 2016 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 P0046 2016 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 P0046 2016 Chevrolet Silverado 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 P0046 2016 Chevrolet Silverado Code

1. What does OBDII code P0046 on a 2016 Chevrolet Silverado indicate?

- OBDII code P0046 on a 2016 Chevrolet Silverado indicates a Turbocharger Boost Control Position Performance issue.

2. What are the common symptoms of OBDII code P0046 on a 2016 Chevrolet Silverado?

- Common symptoms of P0046 may include reduced engine power, poor acceleration, and the activation of the Check Engine Light.

3. What are the possible causes of OBDII code P0046 on a 2016 Chevrolet Silverado?

- Possible causes of P0046 include a faulty turbocharger wastegate actuator, damaged wiring or connectors, or a problem with the turbocharger boost control position sensor.

4. How can I diagnose OBDII code P0046 on a 2016 Chevrolet Silverado?

- Diagnosing P0046 typically involves using an OBDII scanner to retrieve the code, inspecting the turbocharger system for any visible issues, and testing the wastegate actuator and related components.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P0046?

- It is not recommended to continue driving a vehicle with P0046 as it can lead to further damage to the turbocharger system and potentially affect engine performance.

6. How can I repair OBDII code P0046 on a 2016 Chevrolet Silverado?

- Repairing P0046 may involve replacing the turbocharger wastegate actuator, repairing any damaged wiring or connectors, or recalibrating the turbocharger boost control system.

7. Will resetting the Check Engine Light resolve OBDII code P0046 on a 2016 Chevrolet Silverado?

- Simply resetting the Check Engine Light will not resolve P0046. The underlying issue causing the code must be diagnosed and repaired to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code P0046 on a 2016 Chevrolet Silverado?

- While some aspects of diagnosing and repairing P0046 can be done by a DIY enthusiast, it is recommended to seek professional help, especially when dealing with complex turbocharger systems.

9. How much does it typically cost to fix OBDII code P0046 on a 2016 Chevrolet Silverado?

- The cost of repairing P0046 can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How can I prevent OBDII code P0046 from occurring on my 2016 Chevrolet Silverado in the future?

- Regular maintenance and inspections of the turbocharger system, including checking for leaks, ensuring proper lubrication, and addressing any issues promptly, can help prevent P0046 from occurring.