OBD Guide

C1613

AWC Mode Select Switch System

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

Symptoms

  • Check engine light is on
  • Inability to switch all-wheel drive modes
  • The vehicle goes into emergency operation mode of the AWC system
  • Reduced all-wheel drive efficiency

Causes

  • AWC mode switch malfunction
  • Open or short circuit in wiring harness
  • Problems with the AWC control unit
  • Mechanical problems in the all-wheel drive system
  • Corrosion of contacts or connectors

How to Fix

  1. Check the AWC mode switch for damage.
  2. Inspect the wiring harness and connectors for damage or corrosion.
  3. Check signals from the switch using a diagnostic scanner
  4. Test the AWC control unit
  5. If necessary, replace faulty components

Related codes