OBD-II code · Powertrain (generic, extended)
P2842 Shift Fork D Position Circuit Low
Voltage on shift fork D position sensor signal line is below the expected window. Wire shorted to ground or sensor short.
Is it safe to drive with P2842?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- 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
- P2833Shift Fork A Position Circuit Low
- P2838Shift Fork B Position Circuit Low
- P283DShift Fork C Position Circuit Low
- P2865Shift Fork E Position Circuit Low
- P283FShift Fork C Position Circuit Intermittent
- P2840Shift Fork D Position Circuit
- P2841Shift Fork D Position Circuit Range/Performance
- P2843Shift Fork D Position Circuit High
- P2844Shift Fork D Position Circuit Intermittent
- P2845Shift Fork A Position Sensor Incorrect Neutral Position Indicated
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.