Back to 2016 Cadillac ATS

2016 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC960Battery0Maintenance0Recalls2
P0628high severityPowertrain

Fuel Pump A Control Circuit Low

on 2016 Cadillac ATS 2.5L I4 · RWD

What this code means

Low voltage in fuel pump control circuit.

Symptoms

  • No start
  • Weak fuel pump

Common causes

  • Short to ground
  • Corroded wiring
  • Bad relay

Diagnostic steps

  1. Test voltage
  2. Check for shorts
  3. Test relay

Repair notes

Repair wiring or replace relay.

Other Powertrain codes on this vehicle

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