C0397

Symptoms

• Incorrect operation of the all-wheel drive system
• Check Engine Light Is On
• Difficulty switching transfer case modes
• The car can remain in one drive mode

Causes

• Transfer case position sensor malfunction
• Open or short circuit in wiring harness
• Poor contact in sensor connectors
• Mechanical fault in transfer case
• Problems with the control unit

How to Fix

1. Check the condition of the sensor wiring harness and connectors
2. Check resistance and sensor signal
3. If necessary, replace the position sensor
4. Check the mechanical condition of the transfer case
5. Reset the error and check the system operation

Related codes

Error C0397 by Vehicle Brand