OBD Guide

P2566

Turbocharger Boost Control Position Sensor A Circuit Intermittent

P2566 is an OBD-II diagnostic trouble code meaning: Turbocharger Boost Control Position Sensor A Circuit Intermittent. Common causes: turbo position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Loss of engine power
  • Unstable turbine operation
  • Increased fuel consumption
  • Turning on the check engine light
  • Jerks during acceleration

Causes

  • Turbo position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Oxidation of contacts or poor connection
  • Problems with the engine control unit
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of the wiring and connections of the sensor
  2. Test turbo position sensor
  3. Clean contacts and connectors from oxidation
  4. Check resistance and sensor signal
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P2566 by Vehicle Brand

FAQ

What does the P2566 code mean?

P2566 is an OBD-II diagnostic trouble code that indicates: Turbocharger Boost Control Position Sensor A Circuit Intermittent

What causes a P2566 error code?

The most common causes of P2566 include: Turbo position sensor malfunction; Open or short circuit in the sensor circuit; Oxidation of contacts or poor connection; Problems with the engine control unit.

How do I fix a P2566 diagnostic trouble code?

To fix P2566: Check the integrity of the wiring and connections of the sensor. Test turbo position sensor. Clean contacts and connectors from oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2566?

Limited driving only, diagnose soon

How much does it cost to fix P2566?

The estimated repair cost for P2566 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat