OBD-II code · Chassis

C0440 Steering Wheel Position Sensor Circuit

The steering angle sensor reports an electrical fault. ESC and lane keeping assistance functions are typically disabled.

Is it safe to drive with C0440?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySteering angle sensor failed
  • PossibleClock spring damaged

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
Best left to a mechanic
Typical labour
1–3 h
Emissions test
Usually unaffected
Parts involved
Steering Angle Sensor, Clock Spring, ABS Control Module

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