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P0247 OBD2: Turbocharger/Supercharger Wastegate Solenoid "B"

P0247 OBD2: Turbocharger/Supercharger Wastegate Solenoid “B”

What Does the P0247 Code Mean?

The P0247 code is an OBD-II trouble code that indicates a malfunction with the Turbocharger or Supercharger Wastegate Solenoid “B”. This component plays a crucial role in regulating the boost pressure of the turbo or supercharger, allowing excess pressure to vent, which is essential for maintaining optimal engine performance.

What Causes the P0247 Code?

The P0247 code can be triggered by several issues, including:

  • Failure of the wastegate solenoid itself
  • Electrical wiring issues leading to poor connectivity
  • Failure of the Powertrain Control Module (PCM) that controls the solenoid

What Are the Symptoms of the P0247 Code?

Common symptoms associated with the P0247 code include:

  • Lack of boost from the turbocharger or supercharger
  • Reduced engine performance
  • Increased fuel consumption
  • Illuminated check engine light

How Serious Is the P0247 Code?

The P0247 code is considered urgent. If not addressed promptly, it can lead to severe damage to the vehicle’s engine or turbo system, which can be costly to repair. It is advisable to take action as soon as the code is identified.

How to Diagnose the P0247 Code

Proper diagnosis of the P0247 code involves:

  1. Using an OBD-II scanner to confirm the code and check for any related codes.
  2. Inspecting the wastegate solenoid and its wiring for signs of damage or wear.
  3. Testing the solenoid operation and the PCM’s function.

Common Repairs for the P0247 Code

Repairs for the P0247 code may include:

  • Replacing the faulty wastegate solenoid
  • Repairing or replacing damaged wiring
  • Reprogramming or replacing the Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P0247 Code?

The cost to repair the P0247 code can vary significantly based on the underlying issue. Basic repairs, like replacing the wastegate solenoid, may cost between $150 to $300, while more extensive repairs involving the PCM could range from $300 to $1,000 or more, depending on the vehicle and labor rates.

Can I Fix the P0247 Code Myself?

If you have experience with automotive repairs, you may be able to diagnose and fix the P0247 code yourself, especially if it involves replacing the wastegate solenoid or repairing wiring. However, if the issue pertains to the PCM or if you are unsure about the diagnosis, it is highly recommended to seek professional assistance to avoid further damage.

About JC Landry

JC spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.

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