Code Definition

P0827 — Gear lever upshiftldownshift switch signal error

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

About P0827

P0827 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.

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 P0827 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 identifies an error in the signal from the gear lever's upshift/downshift switch. This switch is a crucial component in vehicles equipped with manual shift mode on automatic transmissions. It allows the driver to manually select higher or lower gears. The error is recognised when the control module receives a signal from the switch that is outside the expected range, inconsistent, or non-existent, which could indicate an electrical fault in the switch, wiring, or associated circuitry.

Quick Facts