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

C0825

Steering Effort Sensor Range/Performance

The electric power steering module has detected that the torque (effort) sensor signal is out of the expected range. Steering assist is reduced or disabled.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number8 / 25

Possible causes

  • Steering torque sensor failed high
  • Calibration required after service medium
  • Sensor element aged beyond calibration window low

Symptoms

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

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 300–1500 €
  • Estimated time: 1–4 h
  • Component: torque sensor
  • Component: power steering module
  • Component: sensor wiring

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