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P2564 OBD2: Turbocharger Boost Control Position Sensor "A" Circuit Low

P2564 OBD2: Turbocharger Boost Control Position Sensor “A” Circuit Low

The P2564 OBD-II code refers to an issue with the Turbocharger Boost Control Position Sensor “A” Circuit being low. This code signals a problem within the turbocharger system that can affect engine performance.

What Does the P2564 Code Mean?

The P2564 code indicates that the engine control module (PCM) has detected a low voltage signal from the Turbocharger Boost Control Position Sensor. This sensor measures the position of the turbocharger’s vanes, which control the amount of boost produced by the turbocharger.

What Causes the P2564 Code?

Several issues can trigger the P2564 code, including:

  • Powertrain Control Module (PCM) failure
  • Turbocharger vane position sensor failure
  • Wiring issues or poor electrical connections

What Are the Symptoms of the P2564 Code?

Drivers may experience the following symptoms when the P2564 code is present:

  • Lack of boost from the turbocharger or supercharger

How Serious Is the P2564 Code?

The P2564 code is considered to have moderate severity. While it may not pose an immediate threat to vehicle safety, it is crucial to address the problem promptly to maintain optimal vehicle performance.

How to Diagnose the P2564 Code

Diagnosing the P2564 code typically requires specialized tools and knowledge. A certified mechanic will:

  • Use an OBD-II scanner to confirm the presence of the P2564 code
  • Inspect the turbocharger vane position sensor and wiring for damage or disconnections
  • Test the voltage and signal output from the sensor to the PCM

Common Repairs for the P2564 Code

Common repairs for resolving the P2564 code may include:

  • Replacing the Turbocharger Vane Position Sensor
  • Repairing or replacing damaged wiring or connectors
  • Replacing the Powertrain Control Module (PCM) if found to be faulty

How Much Does It Cost to Fix the P2564 Code?

The cost to fix the P2564 code can vary widely based on the repair needed. On average, you might expect to pay between $100 and $500, depending on labor costs and parts. If the PCM needs replacement, costs could be higher.

Can I Fix the P2564 Code Myself?

While some DIY-savvy individuals may attempt to fix the P2564 code, it is recommended to seek professional help. Diagnosing and repairing turbocharger systems requires expertise and specialized tools to ensure proper function and avoid further damage.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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