Power Steering Fluid Pressure Sensor Circuit
2005-2005 Buick Century 3.1L V6
The 2005 Buick Century is equipped with a 3.1L V6 engine. Below you'll find detailed c0230 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the hydraulic power steering fluid pressure sensor circuit.
Symptoms
- Power steering warning light
- Steering effort inconsistent
- Variable assist not functioning
Common Causes
- Faulty pressure sensor
- Sensor wiring damage
- Connector corrosion
- Low power steering fluid level
Diagnostic Steps
- Check power steering fluid level
- Test pressure sensor signal
- Inspect sensor wiring
- Monitor pressure readings at idle and during steering
- Check for fluid leaks
Repair Notes
Check fluid level first. Replace pressure sensor if faulty.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0230 on Other Vehicles
Common Questions
What does code C0230 mean on a 2005-2005 Buick Century?
C0230 stands for "Power Steering Fluid Pressure Sensor Circuit". Malfunction in the hydraulic power steering fluid pressure sensor circuit.
What are the symptoms of C0230 on a Buick Century?
Common symptoms of C0230 include: Power steering warning light, Steering effort inconsistent, Variable assist not functioning.
What causes C0230 on a 2005-2005 Buick Century?
Common causes of C0230 include: Faulty pressure sensor, Sensor wiring damage, Connector corrosion, Low power steering fluid level.
Last updated: March 2026