Code Definition

P0825 — Gear Iever downshift position sensor signal intermittent

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

About P0825

P0825 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 P0825 is stored, the module has detected 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 P0825 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

This fault code is set when the control module detects an intermittent signal from the gear lever downshift position sensor. The sensor's primary function is to communicate the position of the gear lever, specifically for downshifts, to the control module. The fault is logged when the signal received by the control module is erratic, inconsistent, or does not align with expected parameters during vehicle operation. This can be due to electrical noise, intermittent connections, or sensor malfunctions.

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