Code Definition

P0831 — Clutch Pedal Switch A Circuit Low signal 1

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

About P0831

P0831 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 P0831 is stored, the module has detected a signal or supply voltage lower than the expected operating range.

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 P0831 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 a low voltage condition in the circuit of the clutch pedal switch 'A'. A 'circuit low' condition indicates that the voltage in the switch's circuit is below the expected range. This scenario typically points to a short to ground in the circuit, an issue with the switch itself (such as internal wear or failure), or a problem with the wiring and connectors, resulting in a reduced voltage signal being sent to the control module.

Quick Facts