Powertrain
generic / SAE
P0820
Gear Lever X-Y Position Sensor Circuit
The TCM detects an out-of-range or implausible signal from the gear lever X-Y position sensor used on shift-by-wire transmissions.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 20
Possible causes
- Position sensor failed high
- Shifter mechanism worn medium
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–900 €
- Estimated time: 0.5–3 h
- Component: gear lever position sensor
- Component: shifter assembly
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012