OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Chassis generic / SAE

C0805

Steering Angle Sensor Calibration

The chassis or stability control module reports that the steering angle sensor has not been calibrated or that the calibration data has been lost. ESP requires a calibrated zero position and is disabled until calibration is performed.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number8 / 05

Possible causes

  • Calibration required after battery disconnect or repair high
  • Sensor lost calibration data medium
  • Wheel alignment incorrect, blocking calibration low

Symptoms

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

Inspection / repair

  • Difficulty: easy
  • DIY: shop recommended
  • Estimated cost: 40–200 €
  • Estimated time: 0.2–1 h
  • Component: steering angle sensor
  • Component: esp control module

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication