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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P0238moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Circuit High

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

High voltage from boost sensor A.

Symptoms

  • Check Engine Light
  • False high boost reading

Common causes

  • Open circuit
  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test voltage
  2. Check for shorts to power

Repair notes

Repair or replace sensor.

Other Powertrain codes on this vehicle

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