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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P0627high severityPowertrain

Fuel Pump A Control Circuit/Open

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

Open circuit in fuel pump control circuit.

Symptoms

  • No start
  • No fuel pump prime sound
  • Stalling

Common causes

  • Fuel pump relay failure
  • Wiring open
  • PCM driver failure
  • Inertia switch tripped

Diagnostic steps

  1. Check fuel pump relay
  2. Test wiring
  3. Check inertia switch
  4. Test PCM output

Repair notes

Replace relay or repair wiring.

Other Powertrain codes on this vehicle

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