P0445
EVAP Purge Control Valve Circuit Shorted
2004-2004 Buick Century 3.1L V6
Low SeverityPowertrainGeneric (SAE)
The 2004 Buick Century is equipped with a 3.1L V6 engine. Below you'll find detailed p0445 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Short circuit in the purge valve circuit.
Symptoms
- Check Engine Light
Common Causes
- Short in wiring
- Faulty valve internals
Diagnostic Steps
- Check for shorts
- Test valve
Repair Notes
Repair short or replace valve.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- 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
P0445 on Other Vehicles
Common Questions
What does code P0445 mean on a 2004-2004 Buick Century?
P0445 stands for "EVAP Purge Control Valve Circuit Shorted". Short circuit in the purge valve circuit.
What are the symptoms of P0445 on a Buick Century?
Common symptoms of P0445 include: Check Engine Light.
What causes P0445 on a 2004-2004 Buick Century?
Common causes of P0445 include: Short in wiring, Faulty valve internals.
Last updated: March 2026