OBD-II code · Powertrain (generic)
P0550 Power Steering Pressure Sensor Circuit
General electrical fault on the power steering pressure sensor. The ECU uses this signal to compensate idle speed when the steering load increases; without it idle stability can suffer during parking maneuvers.
Is it safe to drive with P0550?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPressure sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Power Steering Pressure Sensor, Ps Sensor Wiring
Related codes
- P054DCold Start B Camshaft Position Timing Over-Retarded Bank 2
- P054EIdle Control System Fuel Quantity Lower Than Expected
- P054FIdle Control System Fuel Quantity Higher Than Expected
- P0551Power Steering Pressure Sensor Range/Performance
- P0552Power Steering Pressure Sensor Circuit Low Input
- P0553Power Steering Pressure Sensor Circuit High Input
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.