Code Definition

P0933 — Hydraulic Pressure Sensor Range/Performance

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0933

P0933 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0933 is stored, the module has detected a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour; and a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0933 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P0933 fault code is triggered when the control module detects a range or performance issue with the hydraulic pressure sensor circuit. This sensor plays a critical role in monitoring hydraulic pressure in systems like the automatic transmission or power steering. A range/performance issue implies that the sensor's readings are outside the manufacturer's specified parameters or the sensor is not performing as expected. Causes could be a malfunctioning hydraulic pressure sensor, issues with the electrical connections to the sensor, or problems in the hydraulic system that affect the sensor's...

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