Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 9E
Possible causes
- Range sensor signal drift medium
- Shift motor did not fully complete the range change medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–4.5 h
- Component: four wd range sensor
- Component: transfer case
- MIL / check engine light
Sources
References
sae:J2012