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

C0268

Brake Pump Run Time Exceeded

The brake control module has detected that the brake pump has run longer than the allowed maximum time. This typically indicates the pump cannot reach target pressure due to a hydraulic leak, air in the system or a worn pump.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 68

Possible causes

  • Hydraulic leak in brake system high
  • Air in brake system medium
  • Brake pump worn or weak 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: 200–1500 €
  • Estimated time: 1–4 h
  • Component: brake pump motor
  • Component: abs hydraulic unit
  • Component: brake lines

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