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TuningBot DTC Database · v4.37.14

P2D91 Engine Oil Pressure Sensor/Switch C Circuit Range/Performance

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2D91 means

P2D91
Engine Oil Pressure Sensor/Switch C Circuit Range/Performance Generic · engine Data confidence 65%

The control module judged the Engine Oil Pressure Sensor/Switch C signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Related and nearby codes

How to read P2D91

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

D91

Specific fault index within the subsystem.

Frequently asked questions about P2D91

What does P2D91 mean?

Engine Oil Pressure Sensor/Switch C Circuit Range/Performance. The control module judged the Engine Oil Pressure Sensor/Switch C signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P2D91 generic or manufacturer-specific?

P2D91 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2D91 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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