The control module detected a fault associated with the Engine Oil Pressure Sensor/Switch B High circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.15
P055D Engine Oil Pressure Sensor/Switch B High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P055D means
Related and nearby codes
How to read P055D
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P055D
What does P055D mean?
Engine Oil Pressure Sensor/Switch B High. The control module detected a fault associated with the Engine Oil Pressure Sensor/Switch B High circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P055D generic or manufacturer-specific?
P055D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P055D at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
