OBD Guide

C0329

Transfer Case Encoder Signal Circuit Low

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

Symptoms

  • Activating the Check Engine Light
  • Unstable all-wheel drive operation
  • Switching the transfer case into emergency mode
  • Loss of power on one of the axes

Causes

  • Transfer case encoder malfunction
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Transfer case control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check resistance and encoder signal
  3. Replace encoder if necessary
  4. Check and replace transfer case control unit if required

Related codes

Error C0329 by Vehicle Brand