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

P2299

Brake Pedal Position / Accelerator Pedal Position Correlation

The ECU detects simultaneous brake and accelerator activation beyond a permitted threshold. Modern brake-throttle override safety logic forces idle in this state — usually triggered by a stuck brake light switch or a faulty pedal sensor.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 99

Possible causes

  • Brake light switch stuck on high
  • Accelerator pedal sensor drift medium

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 20–250 €
  • Estimated time: 0.2–1.5 h
  • Component: brake light switch
  • Component: accelerator pedal sensor
  • MIL / check engine light
  • limp mode possible

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