OBD-II / Euro 6 Diagnostic Guide · P2463 & P2002

P2463 & P2002: DPF Soot Accumulation Restriction & Efficiency Below Threshold

Technical diagnosis and off-road ECU calibration reference for Ford, Jaguar/Land Rover, Mercedes, VAG, Fiat/Iveco, BMW, Toyota & Commercial Vans in DaVinci Ghost v1.0.41.

Start 10-Day Trial · €0.99 Download Windows v1.0.41 Check Your ECU Free

Diagnostic Code Summary · P2463 & P2002

P2463 & P2002 (DPF Soot Accumulation Restriction & Efficiency Below Threshold) commonly affects Ford, Jaguar/Land Rover, Mercedes, VAG, Fiat/Iveco, BMW, Toyota & Commercial Vans. Cause: Blocked diesel particulate substrate exceeding maximum soot mass threshold, locking out active OBD regeneration and forcing permanent limp mode. For off-road, motorsport and export testing vehicles, DaVinci Ghost v1.0.41 (DaVinci Deluxe) provides both full subsystem switches (AdBlue/SCR, DPF, EGR, NOx) and selective DTC Table Explorer calibration with built-in CHK/CVN.

Why Deleting P2463 & P2002 Alone Is Often Not Enough

A frequent mistake with generic DTC removers is deleting only the diagnostic fault code P2463 & P2002 while leaving the underlying state machine (SCR inducement countdown, DPF soot mass model or EGR air-mass closed-loop control) active. Within 20 to 100 km, the vehicle still enters torque limitation or displays a dashboard countdown - now without any diagnostic code to explain why.

In DaVinci Deluxe 1.0.41, enabling the dedicated subsystem switch (such as ADBLUE, DPF, EGR or NOX) alongside AUTO DTC and CHK/CVN properly calibrates both the control strategy and the associated fault code paths for your exact ECU software number.

Bench Calibration Procedure in DaVinci Ghost 1.0.41

  1. Perform any required diagnostic reset via OBD scan tool prior to reading (e.g. resetting DPF ash/soot or AdBlue lock status on bench/vehicle where required by the ECU family).
  2. Read the ECU flash binary and open it in DaVinci Ghost 1.0.41. Inspect P2463 & P2002 inside the left-hand DTC Table Explorer.
  3. Enable the appropriate system switch + CHK/CVN, save the file, and write back to the ECU. (Off-road & testing use only.)

Verify your vehicle’s exact controller in the Free Live ECU Checker or start the €0.99 10-day trial.