Back to 2002 Mercedes-Benz SL

2002 MERCEDES-BENZ SL

3.0L I6RWDAUTOMATICgas
Repairs0Labor593Torque3658Fluid7DTC698Battery1Maintenance0Recalls0
P0628high severityPowertrain

Fuel Pump A Control Circuit Low

on 2002 Mercedes-Benz SL 3.0L I6 · 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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