Code result
P0550
Power Steering Pressure Sensor Circuit Malfunction
Moderate severity
What it means
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?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Pressure sensor failed
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0550 freeNo credit card required