OBD-II / Euro 6 Diagnostic Guide · P2200 / P2202 / P229F

P2200 / P2202 / P229F: NOx Sensor Circuit Range/Performance Bank 1 Sensor 1 & 2

Technical diagnosis and off-road ECU calibration reference for Mercedes-Benz (CRD3/MD1), BMW, VAG, Peugeot/Citroën, DAF, Scania, Volvo & MAN 24V in DaVinci Ghost v1.0.41.

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Diagnostic Code Summary · P2200 / P2202 / P229F

P2200 / P2202 / P229F (NOx Sensor Circuit Range/Performance Bank 1 Sensor 1 & 2) commonly affects Mercedes-Benz (CRD3/MD1), BMW, VAG, Peugeot/Citroën, DAF, Scania, Volvo & MAN 24V. Cause: Moisture thermal shock on ceramic NOx probe or CAN-bus smart-sensor module failure triggering immediate check-engine and SCR inducement. 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 P2200 / P2202 / P229F Alone Is Often Not Enough

A frequent mistake with generic DTC removers is deleting only the diagnostic fault code P2200 / P2202 / P229F 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 P2200 / P2202 / P229F 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.