P0001
Fuel Volume Regulator Control Circuit/Open
2002-2007 Buick Rendezvous 3.5L V6
Moderate SeverityPowertrainGeneric (SAE)
Description
The PCM detected an open circuit in the fuel volume regulator control circuit. This regulator controls fuel pressure in the high-pressure fuel system.
Symptoms
- Check Engine Light
- Hard starting
- Reduced power
- Poor fuel economy
Common Causes
- Faulty fuel volume regulator
- Damaged wiring or connectors
- PCM failure
- Corroded terminals
Diagnostic Steps
- Read freeze frame data
- Inspect wiring to fuel volume regulator
- Test regulator resistance
- Check fuel pressure
- Test PCM output
Repair Notes
Replace faulty fuel volume regulator or repair wiring.
Related Codes
Other Powertrain Codes
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
- P0016Crankshaft Position/Camshaft Position Correlation Bank 1 Sensor A
P0001 on Other Vehicles
Common Questions
What does code P0001 mean on a 2002-2007 Buick Rendezvous?
P0001 stands for "Fuel Volume Regulator Control Circuit/Open". The PCM detected an open circuit in the fuel volume regulator control circuit. This regulator controls fuel pressure in the high-pressure fuel system.
What are the symptoms of P0001 on a Buick Rendezvous?
Common symptoms of P0001 include: Check Engine Light, Hard starting, Reduced power, Poor fuel economy.
What causes P0001 on a 2002-2007 Buick Rendezvous?
Common causes of P0001 include: Faulty fuel volume regulator, Damaged wiring or connectors, PCM failure, Corroded terminals.