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Engine-Codes – Generic – P0246

P0246 Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High

Quick Answer

The P0246 diagnostic trouble code (DTC) indicates that there is a high voltage condition in the circuit of the turbocharger/supercharger wastegate solenoid 'A'. Common causes include Faulty wastegate solenoid 'A', Wiring or connector issues in the circuit, Vacuum leaks in the wastegate system. 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
P0246 indicates Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High.
Common causes
Common causes include Faulty wastegate solenoid 'A', Wiring or connector issues in the circuit, Vacuum leaks in the wastegate system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
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Code P0246 Description

The P0246 diagnostic trouble code (DTC) indicates that there is a high voltage condition in the circuit of the turbocharger/supercharger wastegate solenoid 'A'. The wastegate solenoid is responsible for controlling the boost pressure in the turbocharger or supercharger system. When the wastegate solenoid 'A' circuit has a high voltage, it can affect the performance of the vehicle by either causing the turbocharger to produce too much boost pressure or not enough, leading to decreased engine power, reduced fuel efficiency, and potential engine damage if left unresolved. This issue can also trigger the vehicle's Check Engine Light to illuminate.

OBDII Code P0246 - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High
P0246 Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High

Common Causes of P0246

  1. Faulty wastegate solenoid 'A'
  2. Wiring or connector issues in the circuit
  3. Vacuum leaks in the wastegate system
  4. Software or calibration issues
  5. Turbocharger/supercharger system malfunction

Symptoms of P0246

  1. Reduced engine power
  2. Poor acceleration
  3. Decreased fuel efficiency
  4. Check Engine Light illuminated
  5. Engine overheating (in severe cases)

How to Fix P0246

  1. Begin by diagnosing the specific cause of the high voltage in the wastegate solenoid 'A' circuit using a diagnostic scanner and multimeter.
  2. Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the wastegate solenoid 'A' for proper function and replace if faulty.
  4. Check the wastegate system for any vacuum leaks and repair as needed.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0246

The cost of repairing a P0246 code can vary depending on the specific cause of the issue. On average, the parts for this repair, including a new wastegate solenoid 'A' and potential wiring repairs, can range from $150 to $300. Labor costs at an auto repair shop may add another $100 to $200, bringing the total cost to approximately $250 to $500. However, it's important to note that labor rates and part prices can vary significantly based on location and the vehicle's make and model. It's recommended to obtain quotes from local repair shops for a more accurate estimate.

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Code P0246 Information for Specific Makes

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 P0246 Code

1. What are the common symptoms of OBDII code P0246?

- Common symptoms include reduced engine performance, poor acceleration, and possibly a Check Engine light on the dashboard.

2. What can cause OBDII code P0246 to trigger?

- The code P0246 is typically triggered by a malfunction in the wastegate solenoid 'A' circuit, which can be caused by a faulty wastegate solenoid, wiring issues, or a defective PCM.

3. How can I diagnose the cause of OBDII code P0246?

- Diagnosis involves checking the wastegate solenoid 'A' circuit for any wiring issues, testing the solenoid for proper functioning, and also inspecting the PCM for any faults.

4. How serious is OBDII code P0246?

- While the code itself may not cause immediate harm, ignoring it can lead to reduced engine performance and potential long-term damage to the turbocharger or supercharger system.

5. Can I drive my vehicle with OBDII code P0246?

- It is not recommended to drive the vehicle with code P0246 present, as it can lead to further damage and potentially unsafe driving conditions due to reduced engine power.

6. How can I repair OBDII code P0246?

- Repairing the code typically involves replacing the wastegate solenoid 'A', repairing any wiring issues, and clearing the code with a diagnostic tool.

7. Is it possible to reset OBDII code P0246 without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause of the problem to prevent the code from reappearing and causing further issues.

8. Are there any preventive measures to avoid OBDII code P0246 in the future?

- Regular maintenance, such as checking the turbocharger system for proper functioning and inspecting wiring connections, can help prevent issues that trigger code P0246.

9. Can a DIY enthusiast repair OBDII code P0246, or is professional help necessary?

- Depending on your skill level and access to tools, DIY repair is possible for code P0246, but professional help may be needed for more complex diagnosis and repairs.

10. How long does it take to repair OBDII code P0246?

- The repair time for OBDII code P0246 can vary depending on the exact cause of the issue, but it typically takes a few hours to diagnose and repair the problem.

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