OBD-II code · Powertrain (generic)

P055D Engine Oil Pressure Sensor or Switch B High

Same as P055A with the signal voltage above the plausible range.

Is it safe to drive with P055D?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySignal shorted to supply

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.4–1.4 h
Emissions test
Usually unaffected
Parts involved
Oil Pressure Sensor B

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.