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

P241D

SCR Inducement Forced Engine Shutdown

The SCR inducement strategy (mandatory regulatory measure to enforce AdBlue refilling and emissions compliance) has reached the final stage and shut down the engine. Refill AdBlue and clear inducement fault to restart.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 1D

Possible causes

  • AdBlue tank empty or out of compliance high

Symptoms

  • Check engine light or NOx warning on
  • AdBlue/DEF level or quality warning
  • Possible no-start countdown after ignore period
  • Failed emissions inspection (NOx)

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 20–200 €
  • Estimated time: 0.2–0.8 h
  • Component: scr system
  • Component: reductant tank
  • MIL / check engine light
  • emissions-relevant

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