OBD Guide

C05F5

4WD/AWD Range Actuator Control Circuit/Open

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Inability to switch all-wheel drive modes
  • The 4WD warning light on the dashboard comes on
  • Reduced vehicle dynamics off-road

Causes

  • Broken or damaged actuator wiring harness
  • Malfunction of the actuator solenoid valve (solenoid)
  • Short circuit in control circuit
  • Oxidation of actuator connector contacts
  • Problems with the four-wheel drive control unit

How to Fix

  1. Check the integrity of the actuator wiring harness
  2. Check the resistance of the actuator solenoid
  3. Inspect the connector contacts for oxidation
  4. Measure the voltage on the control circuit
  5. If necessary, replace the actuator or solenoid
  6. Reset the error and check the system operation

Related codes

Error C05F5 by Vehicle Brand