OBD-II code · Powertrain (generic, extended)
P279C Transfer Case Gear Neutral Incorrect Ratio
When the transfer case is in Neutral the measured output speed is not zero or shows unexpected drag.
Is it safe to drive with P279C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyShift fork not fully in neutral position
- PossibleDrag torque from contaminated oil
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2.5–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Transfer Case, Shift Fork
Related codes
- P2799Electric/Auxiliary Transmission Fluid Pump A Control Circuit High
- P279ATransfer Case Gear High Incorrect Ratio
- P279BTransfer Case Gear Low Incorrect Ratio
- P279DFour Wheel Drive (4WD) Range Signal Circuit
- P279EFour Wheel Drive (4WD) Range Signal Circuit Range/Performance
- P279FFour Wheel Drive (4WD) Range Signal Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.