Obdaryn

C060ELeft Park Brake Actuator Performance/Stuck Off

  • Generic OBD-II code · Chassis
  • Can trigger limp mode
How the car detects it
C060E is set when the left actuator is driven but does not build or keep the clamping force it should, so the brake effectively stays off. Bosch's EPB patents derive clamping force from motor current: during apply it rises as pads meet the disc and then levels off at the target force. A current that never climbs points to a slipping belt, a stripped gear or a spindle that turns without pushing the piston. FMVSS 135 tests parking brakes by holding a vehicle loaded to GVWR on a 20 % grade, so a weak left side can let the car creep. GM's PIT5662A shows that excess resistance in a rear circuit can also starve the motor. No maker publishes C060E. Expect a park brake warning and limited auto-hold.
What you may notice
  • Vehicle may creep on a slope with the parking brake applied
  • Park brake warning lamp or message
  • Motor noise without the usual clamping sound at the left rear
Likely causes
  • LikelyWorn gearbox, belt or spindle inside the left actuator
  • PossiblePads or piston not set up correctly after brake service without maintenance mode
  • PossibleHigh resistance in the left motor circuit limits motor torque
Repair
Hard · Usually a job for a workshop.Typical cost: €100 – €700

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.