Code Definition

P0822 — Gear Lever downshift Position sensor signal error

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

About P0822

P0822 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 P0822 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 P0822 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 fault code P0822 is set when the Transmission Control Module (TCM) or Engine Control Module (ECM) detects a signal error from the gear lever downshift position sensor. This sensor is part of the transmission's control system and is responsible for indicating the position of the gear lever, specifically when downshifting. The signal error can point to a malfunction in the sensor itself or issues in the circuit, including wiring and connectors. This error can affect the transmission's ability to accurately detect and respond to downshift commands, potentially leading to issues with gear sele...

Join TaT to view the complete code information and diagnostic details.

Quick Facts