P0837
Four Wheel Drive (4WD) Switch Circuit Range/Performance
P0837 is an OBD-II diagnostic trouble code meaning: Four Wheel Drive (4WD) Switch Circuit Range/Performance. Common causes: faulty 4wd switch, open or short circuit in switch circuit. Estimated repair cost: $17–56.
Symptoms
- 4WD indicator does not work or flashes
- All-wheel drive system does not switch between modes
- Check Engine light comes on
- The car can remain in one drive mode
- Diagnostic system memory error
Causes
- Faulty 4WD switch
- Open or short circuit in switch circuit
- Poor contact in connectors
- Wiring Harness Problems
- 4WD control unit malfunction
How to Fix
- Check the 4WD switch for damage
- Check the continuity of the switch circuit
- Inspect connectors and contacts for corrosion
- Check switch resistance
- If necessary, replace the 4WD switch
Related codes
Error P0837 by Vehicle Brand
FAQ
What does the P0837 code mean?
P0837 is an OBD-II diagnostic trouble code that indicates: Four Wheel Drive (4WD) Switch Circuit Range/Performance
What causes a P0837 error code?
The most common causes of P0837 include: Faulty 4WD switch; Open or short circuit in switch circuit; Poor contact in connectors; Wiring Harness Problems.
How do I fix a P0837 diagnostic trouble code?
To fix P0837: Check the 4WD switch for damage. Check the continuity of the switch circuit. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0837?
Yes, but get it checked soon
How much does it cost to fix P0837?
The estimated repair cost for P0837 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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