P279E Possible Causes
- Faulty all-wheel drive transfer chain
- All-wheel drive range circuit wiring harness open or shorted
- Poor electrical connection in the all-wheel drive range circuit
How to Fix Code P279E
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P279E Meaning
The Transmission Control Module (TCM) monitors the signal from the all-wheel drive range signal circuit. The TCM sets the OBDII code when the all-wheel drive transfer range signal circuit signal is outside factory specifications.