OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

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.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 90

Possible causes

  • Open sensor or broken signal wire high
  • Corroded sensor connector medium

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 120–800 €
  • Estimated time: 0.8–3 h
  • Component: gate select sensor
  • Component: shifter assembly
  • Component: wiring harness
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication