P0237moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Circuit Low

on 2000 Cadillac DeVille 4.6L V8 Northstar · FWD

What this code means

Low voltage from boost sensor A.

Symptoms

  • Check Engine Light
  • No boost indication

Common causes

  • Short to ground
  • Faulty sensor

Diagnostic steps

  1. Test voltage
  2. Check for shorts

Repair notes

Repair or replace sensor.

Other Powertrain codes on this vehicle

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