Error code

OBD2 P2566

OBD2P2566
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Turbocharger Boost Control Position Sensor Circuit Intermittent.

Severity

moderateCan drive, but performance issues and potential engine damage may occur.

Summary

Code P2566 indicates an intermittent issue with the turbocharger boost control position sensor circuit, which can affect the engine's ability to maintain optimal boost pressure.

Symptoms

  • Stored trouble code and illuminated warning light
  • Power loss varying from slight hesitation at certain speeds to severe issues at all speeds
  • Increased fuel consumption
  • Engine hesitation or stumbling upon acceleration

Common Causes

  • Damaged, burnt, shorted, disconnected, or corroded wiring and connectors
  • Defective turbocharger boost control position sensor
  • Restrictions in the inlet or exhaust system (rare)
  • Failed or failing PCM (very rare)

Diagnosis

  1. Inspect wiring and connectors for damage or corrosion
  2. Check for restrictions in the inlet or exhaust system
  3. Test the turbocharger boost control position sensor

Fixes

  • Replace damaged wiring, connectors, or defective sensors as needed.

FAQ

Can I drive with P2566?

You can drive but may experience performance issues and potential engine damage.

What causes P2566?

Common causes include damaged wiring, defective sensors, or rare cases of inlet/exhaust restrictions.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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