Code Definition

P0935 — Hydraulic Pressure Sensor Circuit High Input

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

About P0935

P0935 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 P0935 is stored, the module has detected a signal or supply voltage higher than the expected operating range; 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 P0935 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 P0935 fault code is set when the control module detects a high input condition in the hydraulic pressure sensor circuit. This circuit is essential in systems such as the automatic transmission or power steering for monitoring hydraulic pressure. A high input condition suggests that the voltage or signal from the hydraulic pressure sensor to the control module is above the normal range. Causes for this could include a fault within the sensor itself, a short to power in the circuit, or issues with the wiring or connectors. A high input condition can result in erroneously high hydraulic press...

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