P2565 - TURBOCHARGER BOOST CONTROL POSITION SENSOR "A" CIRCUIT HIGH

POST UPDATED IN February, 2023

Description of DTC code P2565 Generic

The Powertrain Control Module receives electronic signals from two sensors, the Turbocharger Control Position Sensor (TBCPS) and the Boost Pressure Sensor (BPS). Through the Turbocharger Control Position Sensor (TBCPS), the PCM controls the amount of fuel required for ignition and the pulses sent to the engine via the turbo. On the other hand, the Boost Pressure Sensor (BPS) provides the rest of the data required for boost pressure calculations.

If the turbocharger electrical circuit becomes problematic with voltages above 4.8V according to the manufacturer’s preset ranges, the Powertrain Control Module interprets this as a fault and will store the diagnostic code P2565 OBD2.

Symptoms of fault code P2565 Generic

  • Check Engine light ON.
  • The engine loses power.
  • Low fuel efficiency.
  • Problems when accelerating the vehicle.

Causes of OBD2 P2565 Generic

DTC P2565 OBDII is set for the following reasons:

  • The Turbocharger Boost Control Position Sensor may have damage in its connector.
  • Possibly the control circuit of the Turbocharger Control Position Sensor is working wrong due to faulty wiring.
  • The turbocharger may be clogged by soot buildup.
  • The TBCPS may be damaged.

Possible solutions of the DTC code P2565 Generic

To troubleshoot the P2565 OBD2 error code, take into account these suggestions:

  • Refer to the TSBs (Technical Service Bulletins) for additional diagnostic information.
  • Verify that the TBCPS control circuit wiring harness and connectors are in good condition. If you find one of these components defective in this circuit, make the necessary corrections.
  • Visually inspect the turbocharger for soot. If the turbocharger has excessive levels of carbon residue, you should make maintenance to the turbocharger.
  • Use a DVOM to test the turbocharger control position sensor for If you notice wide differences between the reading obtained and that provided by the manufacturer, replace the sensor.

 

 

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