OBD-II code · Powertrain (generic, extended)
P279E Four Wheel Drive (4WD) Range Signal Circuit Range/Performance
The 4WD range signal does not match expected value for the commanded transfer case position. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P279E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- PossibleRange sensor signal drift
- PossibleShift motor did not fully complete the range change
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Four Wd Range Sensor, Transfer Case
Related codes
- P279BTransfer Case Gear Low Incorrect Ratio
- P279CTransfer Case Gear Neutral Incorrect Ratio
- P279DFour Wheel Drive (4WD) Range Signal Circuit
- P279FFour Wheel Drive (4WD) Range Signal Circuit Low
- P27A0Four Wheel Drive (4WD) Range Signal Circuit High
- P27A1Electric/Auxiliary Transmission Fluid Pump A Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.