OBD-II code · Powertrain (generic, extended)
P2793 Gear Shift Direction Circuit
The gear-shift direction circuit cannot detect the commanded shift direction (up or down) on an automated manual or sequential transmission.
Is it safe to drive with P2793?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen sensor or broken signal wire
- PossibleCorroded sensor connector
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Shift Direction Sensor, Shifter Assembly, Wiring Harness
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.