OBD Guide

P0237

Turbocharger/Supercharger Boost Sensor A Circuit Low

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