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

C0250

Power Steering Pump Pressure

The power steering control module has detected an implausible pressure or load signal from the steering pump. On hydraulic systems this may indicate low fluid or a worn pump; on electric systems it may indicate excessive motor load.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 50

Possible causes

  • Power steering fluid low or contaminated high
  • Power steering pump worn medium
  • Pressure sensor failed low

Symptoms

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

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 100–1200 €
  • Estimated time: 0.5–4 h
  • Component: power steering pump
  • Component: power steering module
  • Component: power steering pressure sensor

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