P2790
Gate Select Direction Circuit
The gate-select direction circuit on an automated manual or sequential transmission cannot detect which direction the selector is being moved.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open sensor or broken signal wireCommon
- Corroded sensor connectorPossible
Parts involved
- Gate Select Sensor
- Shifter Assembly
- Wiring Harness
P2790 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.