DPF Limits, Backpressure and Fail-Safe Behavior

🧠 Part of the TuningBot ECU Knowledge Base — in-depth documentation on ECU logic, maps, emissions systems and safe calibration methods.

The DPF system includes comprehensive monitoring and protection strategies.

Soot Load Levels

  • Normal — 0-25g
  • Active regen needed — 35-45g
  • Critical — 55g+ (replacement may be needed)

ECU Responses

  • Level 1: Request regeneration
  • Level 2: Warning light
  • Level 3: Limp mode
  • Level 4: Prevent restart

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