P0003moderate severityPowertrain
Fuel Volume Regulator Control Circuit Low
on 2011 Audi TT 2.0L Turbo I4 · AWD
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
- Check circuit voltage
- Inspect wiring for shorts
- Test regulator
- Verify battery voltage
Repair notes
Repair short circuit or replace regulator.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
00532
Supply Voltage B+ Signal too Low
16394
Camshaft/Crankshaft Position Correlation Bank 1
16395
Camshaft Position Actuator Circuit/Open Bank 1
16486
Mass or Volume Air Flow Circuit Low Input
16487
Mass or Volume Air Flow Circuit High Input
16500
Engine Coolant Temperature Circuit Malfunction
16501
Engine Coolant Temperature Circuit Low Input
16502
Engine Coolant Temperature Circuit High Input
16514
O2 Sensor Circuit Bank 1 Sensor 1
16515
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1