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2026 MERCEDES-BENZ SPRINTER VS30
3.0L V6 Diesel OM642•RWD•AUTOMATIC•diesel•OM642•turbo
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Repairs0Labor506Torque149Fluid8DTC991Battery1Maintenance0Recalls0
P0003moderate severityPowertrain

Fuel Volume Regulator Control Circuit Low

on 2026 Mercedes-Benz Sprinter VS30 3.0L V6 Diesel OM642 · RWD

What this code means

The PCM detected a lower than expected signal from the fuel volume regulator control circuit.

Symptoms

  • Check Engine Light
  • Low fuel pressure
  • Engine stalling
  • Rough idle

Common causes

  • Short in regulator circuit
  • Faulty regulator
  • Low battery voltage
  • Corroded connector

Diagnostic steps

  1. Check circuit voltage
  2. Inspect wiring for shorts
  3. Test regulator
  4. Verify battery voltage

Repair notes

Repair short circuit or replace regulator.

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