OBD-II code · Powertrain (generic, extended)
P2837 Shift Fork B Position Circuit Range/Performance
Shift fork B position sensor reports a value outside the calibrated travel window. Mechanical alignment off or sensor drift.
Is it safe to drive with P2837?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor zero point drifted
- PossibleFork shaft worn
- Less likelySensor element aged beyond calibration window
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 B, Shift Fork Position Sensor B, Wiring Harness
Related codes
- P2832Shift Fork A Position Circuit Range/Performance
- P283CShift Fork C Position Circuit Range/Performance
- P2841Shift Fork D Position Circuit Range/Performance
- P2864Shift Fork E Position Circuit Range/Performance
- P2834Shift Fork A Position Circuit High
- P2835Shift Fork A Position Circuit Intermittent
- P2836Shift Fork B Position Circuit
- P2838Shift Fork B Position Circuit Low
- P2839Shift Fork B Position Circuit High
- P283AShift Fork B Position Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.