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2012 CADILLAC ESCALADE

6.2L V8•4WD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor1128Torque7403Fluid16DTC1904Battery0Maintenance0Recalls3
P0627high severityPowertrain

Fuel Pump A Control Circuit/Open

on 2012 Cadillac Escalade 6.2L V8 · 4WD

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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