In Stock Install video included SKU: HE-9564

Citroën C3 MD1CS003 AdBlue SCR Removal Emulator

A plug-and-play emulator that permanently resolves AdBlue, SCR and NOx fault codes on the Citroën C3 MD1CS003 ECU, instantly lifting engine power restrictions without any wiring modifications.

250 $
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2-Year Warranty
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The Citroën C3 is a modern compact car built around the MD1CS003 ECU platform, with an integrated AdBlue (DEF) and SCR emission control system working continuously to manage NOx output. Over time the NOx sensors, SCR catalyst or AdBlue injection circuit can develop faults that trigger persistent dashboard warnings and, eventually, engine power restriction. The Citroën C3 MD1CS003 AdBlue (SCR) Removal Emulator addresses these failures at the electronic level — generating the CAN-bus signals the MD1CS003 ECU expects from every AdBlue component so the vehicle operates faultlessly and without restriction.

How Does It Work?

The emulator plugs directly into the Citroën C3's original AdBlue module socket — no wires are cut and no soldering is required. The integrated microcontroller continuously outputs the AdBlue fill level, fluid quality, pump status and NOx sensor signals in the format expected by the MD1CS003 ECU. The ECU reads these as genuine data, confirms all systems normal, generates no fault codes and does not engage limp mode.

AdBlue warning lights and engine malfunction indicators on the C3 are permanently extinguished
Engine power restriction and limp mode are completely eliminated
All SCR and NOx fault codes are cleared and do not reappear
AdBlue (DEF) fluid purchase and top-up costs are eliminated entirely
No emission-system fault codes appear on OBD diagnostic scan tools
The installation is fully reversible, with all original system components preserved

Frequently Asked Questions

Which production years of the Citroën C3 are supported?

The emulator supports all Citroën C3 vehicles fitted with the MD1CS003 ECU. You can confirm your ECU type via a service report or OBD scan; our sales team is on hand to verify compatibility.

How long does installation take and are special tools required?

Installation involves plugging the emulator into the original AdBlue connector and typically takes just a few minutes. No specialist tools, software or vehicle modifications are needed.

Does the product carry a warranty?

Yes — all our products come with a 2-year warranty. Full terms are available on our returns and warranty policy page.

How quickly will my order be dispatched?

Orders are dispatched the same business day. International shipping is also available — contact our team for delivery options to your country.

Supported Models

This emulator is compatible with the following models that share the same ECU platform:

C3Citroën BerlingoCitroën C-ElyséeCitroën C3Citroën C3 AircrossCitroën C4Citroën C4 CactusCitroën C4 SpaceTourerCitroën C5 AircrossCitroën Grand C4 SpaceTourerCitroën JumpyDS Automobiles DS 7 CrossbackFiat DobloFiat ScudoOpel Astra K-FLOpel Combo

Installation Video

Step-by-step installation — plug-and-play with no cutting or soldering. About 10 minutes.

About 10 minutes
Plug-and-play install — no cutting, no soldering
No damage to your vehicle
Connects via the OEM socket and is fully reversible
Step-by-step guide
Just follow the video to fit it easily
Get installation help