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AutoCodes - Generic - P0045

P0045 Code - Turbocharger/Supercharger Boost Control 'A' Circuit/Open

- Code Popularity: 44,787 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0045?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty boost pressure/ turbocharger position sensor
  • Boost pressure/ turbocharger position sensor harness is open or shorted
  • Boost pressure/ turbocharger position sensor circuit poor electrical connection
  • Faulty turbocharger/supercharger
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How to Fix the DTC P0045?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0045 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P0045 Description

The turbocharger has nozzle vane which opens and closes to control the volume of the exhaust gas flowing into the turbine. This, in turn, controls the boost pressure, when the nozzle vane moves towards the closing direction, the pressure increases. When the vane moves towards the opening direction, the pressure decreases.

OBDII Code P0045 - Turbocharger/Supercharger Boost Control 'A' Circuit/Open - AutoCodes.com
P0045 Code - Turbocharger/Supercharger Boost Control 'A' Circuit/Open

Need More Information on the Code?

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Information for Specific Makes

  • P0045 Acura Turbocharger Wastegate Control Actuator Circuit Malfunction  📷
  • P0045 Chevrolet Turbocharger Vane Position Control Solenoid Control Circuit
  • P0045 Honda Turbocharger Wastegate Control Actuator Circuit Malfunction    📷
  • P0045 Isuzu Turbocharger Boost Control Solenoid Control Circuit

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Code P0045 comments

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