P0551
Power Steering Pressure Sensor/Switch Circuit Range/Performance
P0551 is an OBD-II diagnostic trouble code meaning: Power Steering Pressure Sensor/Switch Circuit Range/Performance. Common causes: power steering pressure sensor malfunction, open or short circuit in the sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- Increased steering effort
- Check Engine Light Illuminates
- Floating or uneven idle speed
- Unstable power steering operation
Causes
- Power steering pressure sensor malfunction
- Open or short circuit in the sensor wiring harness
- Poor contact in the sensor connector
- Low power steering fluid level
- Power steering pump malfunction
How to Fix
- Check power steering fluid level
- Visually inspect the wiring harness and sensor connectors
- Check resistance and voltage at power steering pressure sensor
- Replace power steering pressure sensor if necessary
- Clear error memory and check system
Related codes
Error P0551 by Vehicle Brand
FAQ
What does the P0551 code mean?
P0551 is an OBD-II diagnostic trouble code that indicates: Power Steering Pressure Sensor/Switch Circuit Range/Performance
What causes a P0551 error code?
The most common causes of P0551 include: Power steering pressure sensor malfunction; Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; Low power steering fluid level.
How do I fix a P0551 diagnostic trouble code?
To fix P0551: Check power steering fluid level. Visually inspect the wiring harness and sensor connectors. Check resistance and voltage at power steering pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0551?
Limited driving only, diagnose soon
How much does it cost to fix P0551?
The estimated repair cost for P0551 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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