OBD Guide

P0237

Turbocharger/Supercharger Boost Sensor A Circuit Low

P0237 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Sensor A Circuit Low. Common causes: boost pressure sensor malfunction, open or shorted sensor wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Dips during acceleration
  • Engine transition to emergency mode
  • Check Engine Light Illuminates

Causes

  • Boost pressure sensor malfunction
  • Open or shorted sensor wiring harness
  • Poor contact in the sensor connector
  • Turbine/supercharger malfunction
  • Leaks in the boost system

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check connections and contacts in the sensor connector
  3. Check the performance of the boost pressure sensor
  4. Check the boost system for leaks
  5. If necessary, replace the sensor or repair leaks

Related codes

Error P0237 by Vehicle Brand

FAQ

What does the P0237 code mean?

P0237 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Sensor A Circuit Low

What causes a P0237 error code?

The most common causes of P0237 include: Boost pressure sensor malfunction; Open or shorted sensor wiring harness; Poor contact in the sensor connector; Turbine/supercharger malfunction.

How do I fix a P0237 diagnostic trouble code?

To fix P0237: Check the integrity of the sensor wiring harness. Check connections and contacts in the sensor connector. Check the performance of the boost pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0237?

Limited driving only, diagnose soon

How much does it cost to fix P0237?

The estimated repair cost for P0237 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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