P2002 OBD Code Definition:
P2002 Particulate Trap Efficiency Below Threshold

P2002 OBD Code Description:

Possible Symptoms

  • Malfunction Indication Lamp (MIL) active

Possible Causes

  • Exhaust Pressure Sensor (G450) faulty
  • Diesel Particle Filter (DPF) faulty

Possible Solutions

  • Check/Replace Exhaust Pressure Sensor (G450)
  • Diesel Particle Filter (DPF)
    • Perform Emergency Regeneration (Refer to Specifications!)
    • Check/Replace Diesel Particle Filter (DPF)

Tech Notes

  • Skoda Superb (3U) & VW Passat (3B) (Engine Codes: BGW, BSS, BWW) had issues with faulty Exhaust Pressure Sensors (G450), they were defective from factory and due to a leaking sealing the measured values were incorrect and resultet in wrong calculated particle filter load and unsuccessful regeneration cycles.

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