OBD-II code · Powertrain (generic, extended)
P2843 Shift Fork D Position Circuit High
Voltage on shift fork D position sensor signal line is above the expected window. Wire shorted to B+ or sensor open.
Is it safe to drive with P2843?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen position sensor
- Less likelyConnector pins corroded - high contact resistance
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Shift Fork D, Shift Fork Position Sensor D, Wiring Harness
Related codes
- P2834Shift Fork A Position Circuit High
- P2839Shift Fork B Position Circuit High
- P283EShift Fork C Position Circuit High
- P2866Shift Fork E Position Circuit High
- P2840Shift Fork D Position Circuit
- P2841Shift Fork D Position Circuit Range/Performance
- P2842Shift Fork D Position Circuit Low
- P2844Shift Fork D Position Circuit Intermittent
- P2845Shift Fork A Position Sensor Incorrect Neutral Position Indicated
- P2846Shift Fork B Position Sensor Incorrect Neutral Position Indicated
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.