OBD Guide

C0306

Transfer Case Motor

C0306 is an OBD-II diagnostic trouble code meaning: Transfer Case Motor. Common causes: transfer case motor malfunction, wiring harness problems. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Inability to switch all-wheel drive modes
  • Flashing all-wheel drive indicator on the dashboard
  • Unusual noises from the transfer case

Causes

  • Transfer case motor malfunction
  • Wiring Harness Problems
  • Control module malfunction
  • Mechanical damage to the transfer case

How to Fix

  1. Check the condition of the transfer case electric motor
  2. Check the integrity of the wiring harness and connections
  3. Test the control module
  4. If necessary, replace the motor or other damaged components

Related codes

Error C0306 by Vehicle Brand

FAQ

What does the C0306 code mean?

C0306 is an OBD-II diagnostic trouble code that indicates: Transfer Case Motor

What causes a C0306 error code?

The most common causes of C0306 include: Transfer case motor malfunction; Wiring Harness Problems; Control module malfunction; Mechanical damage to the transfer case.

How do I fix a C0306 diagnostic trouble code?

To fix C0306: Check the condition of the transfer case electric motor. Check the integrity of the wiring harness and connections. Test the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0306?

Limited driving only, diagnose soon

How much does it cost to fix C0306?

The estimated repair cost for C0306 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat