Turbocharger Boost Pressure Sensor Circuit Low Input
The P2572 code means the vehicle's onboard diagnostic system has detected: Turbocharger Boost Pressure Sensor Circuit Low Input. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $200 - $500 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Engine in limp mode
- No turbo boost available
- Poor acceleration
- Reduced engine power message
Probable Causes (Ranked by Likelihood)
- Open circuit in boost pressure sensor wiring Very High
- Failed turbo boost pressure sensor High
- Corroded ground connection for sensor Moderate
- PCM driver circuit failure Low
Step-by-Step Diagnostic Procedure
-
Read freeze frame data and confirm P2572 is present
-
Measure voltage at boost pressure sensor with key on engine off
-
Check wiring continuity from sensor to PCM
-
Test sensor ground circuit for resistance
Frequently Asked Questions
What does P2572 mean?
P2572 indicates the turbo boost pressure sensor is sending a voltage signal below the expected minimum, typically from an open circuit or failed sensor.
Can I drive with a P2572 code?
You can drive short distances in limp mode, but the vehicle will have severely reduced power. Repair before extended driving.
How much does it cost to fix P2572?
Repairs typically range from $200 to $500, with sensor replacement being the most common fix at $250 to $400.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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