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!

Powertrain generic / SAE

P0833

Clutch Pedal Switch B Circuit

General electrical fault on the second clutch pedal switch B — provides redundant clutch-state detection (one switch upper end of pedal travel, other lower end) so the ECM can verify both ends of pedal motion. Used for accurate cranking and cruise enable logic.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 33

Possible causes

  • Open or shorted switch wire high

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 40–200 €
  • Estimated time: 0.2–1 h
  • Component: clutch pedal switch b
  • Component: wiring harness
  • MIL / check engine light

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