OBD-II code · Chassis

C05F5 4WD/AWD Range Actuator Control Circuit/Open

Open circuit on 4WD/AWD range actuator control. The range actuator switches between high/low range on transfer cases with reduction.

Is it safe to drive with C05F5?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyWiring break
  • Less likelyPin pushed back out of connector body
  • Less likelyCracked solder joint inside the module or sensor

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1–5 h
Emissions test
Usually unaffected
Parts involved
Range Actuator

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.