SEAT · MD1CS004 ECU · diesel

SEAT LEON MD1CS004 tuning files

Tuning file coverage for the SEAT LEON running the MD1CS004 ECU. Across the matched variants stock power runs from 150 to 150 HP. On this diesel, expect the complete diesel toolset — from Stage work to the common delete requests. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

Solutions that apply to the MD1CS004 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2DPF OffEGR OffAdBlue OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

1 distinct variant for the SEAT LEON on the MD1CS004 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2000 150HP
Controller brand
BOSCH
ECU
MD1CS004
Stock power
150 HP
SW upgrade
05L906022AR_1525
Calibration
05L906022AR_1525

Related vehicles

Other vehicles built on the MD1CS004 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SEAT LEON on the MD1CS004?

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 MD1CS004 ECU software on this model?

Yes — the SEAT LEON on the MD1CS004 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.

SEAT LEON MD1CS004 ECU Tuning Files | TuningBay