P2573 serious

Turbocharger Boost Pressure Sensor Circuit High Input

The P2573 code means the vehicle's onboard diagnostic system has detected: Turbocharger Boost Pressure Sensor Circuit High Input. This is a serious severity code.

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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
  • Possible overboost condition
  • Engine enters limp mode
  • Turbo surge or flutter noise
  • Reduced engine power warning

Probable Causes (Ranked by Likelihood)

  • Short to voltage in boost pressure sensor wiring Very High
  • Faulty turbo boost pressure sensor High
  • Heat-damaged wiring near turbocharger Moderate
  • ECM/PCM malfunction Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2573 is stored

  2. Measure boost pressure sensor output voltage at idle

  3. Inspect sensor wiring near turbocharger for heat damage

  4. Disconnect sensor to see if voltage drops indicating a short

Frequently Asked Questions

What does P2573 mean?

P2573 means the turbocharger boost pressure sensor is reading higher than the maximum expected voltage, which could indicate a wiring short or sensor failure.

Can I drive with a P2573 code?

Drive only short distances. A high reading could mask an actual overboost condition, which can cause serious engine damage.

How much does it cost to fix P2573?

Repairs typically cost $200 to $500. Wiring repair is on the lower end, while sensor replacement is $250 to $400 with labor.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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