OBD Guide

C0397

Transfer Case Clutch/Transfer Case Range Position Sensor

C0397 is an OBD-II diagnostic trouble code meaning: Transfer Case Clutch/Transfer Case Range Position Sensor. Common causes: transfer case position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

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

FAQ

What does the C0397 code mean?

C0397 is an OBD-II diagnostic trouble code that indicates: Transfer Case Clutch/Transfer Case Range Position Sensor

What causes a C0397 error code?

The most common causes of C0397 include: Transfer case position sensor malfunction; Open or short circuit in wiring harness; Poor contact in sensor connectors; Mechanical fault in transfer case.

How do I fix a C0397 diagnostic trouble code?

To fix C0397: Check the condition of the sensor wiring harness and connectors. Check resistance and sensor signal. If necessary, replace the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0397?

Limited driving only, diagnose soon

How much does it cost to fix C0397?

The estimated repair cost for C0397 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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