P279F
Four Wheel Drive (4WD) Range Signal Circuit Low
P279F is an OBD-II diagnostic trouble code meaning: Four Wheel Drive (4WD) Range Signal Circuit Low. Common causes: four-wheel drive range sensor malfunction, open or short circuit in signal circuit. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- All-wheel drive system does not switch between modes
- The car may go into emergency mode
- Reduced all-wheel drive efficiency
- Possible control problems on slippery surfaces
Causes
- Four-wheel drive range sensor malfunction
- Open or short circuit in signal circuit
- Poor contact in circuit connectors
- Four-wheel drive control module malfunction
- Circuit Grounding Problems
How to Fix
- Check the status of the four-wheel drive range sensor
- Check the integrity of the wiring and connectors in the circuit
- Check voltage and resistance in signal circuit
- Scan the four-wheel drive control module for errors
- If necessary, replace faulty components
Related codes
Error P279F by Vehicle Brand
FAQ
What does the P279F code mean?
P279F is an OBD-II diagnostic trouble code that indicates: Four Wheel Drive (4WD) Range Signal Circuit Low
What causes a P279F error code?
The most common causes of P279F include: Four-wheel drive range sensor malfunction; Open or short circuit in signal circuit; Poor contact in circuit connectors; Four-wheel drive control module malfunction.
How do I fix a P279F diagnostic trouble code?
To fix P279F: Check the status of the four-wheel drive range sensor. Check the integrity of the wiring and connectors in the circuit. Check voltage and resistance in signal circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P279F?
Limited driving only, diagnose soon
How much does it cost to fix P279F?
The estimated repair cost for P279F is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat