CITROEN · MD1CS003 ECU · diesel

CITROEN C4 CACTUS MD1CS003 tuning files

The CITROEN C4 CACTUS on the MD1CS003, mapped from stock file to finished result. The matched variants sit between 100 and 130 HP from the factory. There are 3 distinct variants on file for this combination. It is a diesel platform, so the full diesel solution range is on the table. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All C4 CACTUS coverage

Available solutions

Solutions that apply to the MD1CS003 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2 DPF Off EGR Off AdBlue Off Swirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

3 distinct variants for the CITROEN C4 CACTUS on the MD1CS003 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1500 130HP
Controller brand: BOSCH
ECU: MD1CS003
Stock power: 130 HP
ECU SW: 9818703480
ECU HW: 9818703480
SW upgrade: 9695159580

Variant 2

ECU

Catalog engine: 1500 130HP
Controller brand: BOSCH
ECU: MD1CS003
Stock power: 130 HP

Variant 3

ECU

Catalog engine: 1500 100HP
Controller brand: BOSCH
ECU: MD1CS003
Stock power: 100 HP

Related vehicles

Other vehicles built on the MD1CS003 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the CITROEN C4 CACTUS on the MD1CS003?

Stage 1, Stage 2, DPF Off, EGR Off, AdBlue Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.

Do you cover the MD1CS003 ECU software on this model?

Yes — the CITROEN C4 CACTUS on the MD1CS003 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.