OBD-II code · Chassis

C05F3 Rear Drive Shaft Speed Sensor Circuit

Generic fault on rear drive shaft speed sensor.

Is it safe to drive with C05F3?

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

Common causes

  • Most likelySensor failed

Symptoms

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

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Usually unaffected
After the fix
A drive cycle is needed before the light stays off
Parts involved
Rear Drive Shaft Speed Sensor, Sensor Wiring

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