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

P2530

Ignition Switch Run Position Circuit

The ECU detects an electrical fault on the ignition switch run position input. The signal indicating that the ignition is in the run position is missing or implausible.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 30

Possible causes

  • Faulty ignition switch contacts high
  • Wiring or connector fault medium

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 80–350 €
  • Estimated time: 0.3–1.5 h
  • Component: ignition switch
  • Component: ignition wiring
  • 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