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TuningBot DTC Database · v4.37.15

P2566 Turbocharger Boost Control Position Sensor A Circuit Intermittent

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2566 means

P2566
Turbocharger Boost Control Position Sensor A Circuit Intermittent Generic · engine Data confidence 85%

The control module detected an unstable or intermittent signal in the Turbocharger Boost Control Position Sensor A circuit.

Symptoms

  • Possible reduced power or limp mode
  • MIL illuminated
  • Possible abnormal turbocharger noise

Possible causes

  • Wiring
  • poor connection
  • TC boost control position sensor

Recommended checks

  • Compare specified vs actual boost with live data
  • Check actuator movement over the full range
  • Check hoses and vacuum lines
  • Inspect wiring and connectors

Related and nearby codes

How to read P2566

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

566

Specific fault index within the subsystem.

Frequently asked questions about P2566

What does P2566 mean?

Turbocharger Boost Control Position Sensor A Circuit Intermittent. The control module detected an unstable or intermittent signal in the Turbocharger Boost Control Position Sensor A circuit.

Is P2566 generic or manufacturer-specific?

P2566 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2566 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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