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

C0750

Cruise Control Brake Switch

The cruise control or chassis module has detected an implausible signal from the dedicated cruise control brake switch. This switch is independent from the stop lamp switch and disengages cruise control when the driver brakes.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number7 / 50

Possible causes

  • Cruise control brake switch failed or misadjusted high
  • Wiring or connector fault medium
  • Internal cruise control module fault low

Symptoms

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

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 30–300 €
  • Estimated time: 0.3–1.5 h
  • Component: cruise brake switch
  • Component: cruise control module
  • Component: brake pedal assembly

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