P2566 — Turbocharger Boost Control Position Sensor A Circuit Intermittent

What Does P2566 Mean?

P2566 is a diagnostic trouble code indicating: Turbocharger Boost Control Position Sensor A Circuit Intermittent. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2566

⚠️ Check Engine Light (MIL) illuminated
⚠️ Turbocharger Boost Control Position Sensor A signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Reduced engine performance

Common Causes

🔍 Loose or intermittent connection at Turbocharger Boost Control Position Sensor A
🔍 Wire chafing causing intermittent contact
🔍 Turbocharger Boost Control Position Sensor A failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P2566 mean?

P2566 indicates: Turbocharger Boost Control Position Sensor A Circuit Intermittent. The vehicle's computer has detected that the Turbocharger Boost Control Position Sensor A is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2566?

Yes, P2566 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P2566?

Repair costs for P2566 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all Turbocharger Boost Control Position Sensor A connectors
🔧 Repair chafed or damaged wiring in Turbocharger Boost Control Position Sensor A circuit
🔧 Replace Turbocharger Boost Control Position Sensor A if failing intermittently

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2566: Turbocharger Boost Control Position Sensor A Circuit Intermittent