Fault Code P0839
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0839
4 Wheel Drive (4WD) Switch Circuit High
Code P0839 indicates an abnormally high voltage in the 4WD switch circuit. This may prevent the four-wheel drive system from operating correctly or cause incorrect shifting between drive modes.
Part Details
Part Name
4WD Switch
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪1000
Engine Location
Center console/dashboard
Symptoms
- 4WD system unresponsive
- Difficult or impossible to change drive modes (4WD)
- 4WD light illuminated or flashing
- Check Engine Light on
Possible Causes
- 1Short circuit to voltage in the 4WD switch circuit
- 2Damaged or open wiring
- 3Faulty 4WD switch
- 4Malfunction in the 4WD Control Module
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