OBD-II code · Powertrain (generic)
P08A4 Gear Lever X Position Sensor 1/2 Correlation
The signals of the gear lever X-axis position sensors 1 and 2 do not correlate within the calibrated tolerance.
Is it safe to drive with P08A4?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOne sensor characteristic drifted
- PossibleHarness incorrectly swapped
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
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Gear Lever X Position Sensor 1, Gear Lever X Position Sensor 2, Tcm
Related codes
- P08A5Gear Lever Y Position Sensor 1/2 Correlation
- P08A1Gear Lever Y Position Sensor 2 Circuit Low
- P08A2Gear Lever Y Position Sensor 2 Circuit High
- P08A3Gear Lever Y Position Sensor 2 Circuit Intermittent/Erratic
- P08A6Gear Lever Position Sensor System - Multiple Sensor Correlation
- P08A7Clutch Pedal Position Sensor A Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.