Audi A4 2.0 TDI 2004 Turbodiesel 125KW Siemens 03G906018AQ SN100K5400000 Original

Audi A4 2.0 TDI 2004 Turbodiesel 125KW Siemens 03G906018AQ SN100K5400000 Original
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ECU file for Audi A4 2.0 TDI 2004 Turbodiesel 125KW – original ECU file (stock calibration). ECU: Siemens 03G906018AQ – SW: SN100K5400000 – approx. 125 kW (~170 HP) factory engine output.

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Technical Specifications
ManufacturerAudi
ECU SystemSIEMENS
CalibrationOriginal File
ECU HW / SW number03G906018AQ | SN100K540000
CHECKSUMS CORRECTED / READY TO FLASH
COMPATIBLE WITH: KESS V2/V3, MPPS, FOXFLASH, AUTOTUNER, FLEX, CMD, NEW GENIUS & OTHER PROFESSIONAL INTERFACES
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Your tuning file is available immediately after purchase — no waiting.

Checksum Safe

Every file is verified and checksum-corrected for safe, reliable flashing.

Tool Compatible

Works with KESS, KTAG, AutoTuner, CMD, PCMFlash, and all major interfaces.

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Vehicle Audi A4 2.0 TDI 2004 Turbodiesel 125KW
Engine power 125 kW (~170 HP)
Fuel type Turbo-diesel
ECU brand Siemens
ECU hardware 03G906018AQ
ECU software ID SN100K5400000
Tuning type Original
Read method / notes SN100K5400000

This product contains a complete original ECU backup (stock file) for Audi A4 2.0 TDI 2004 Turbodiesel 125KW with Siemens 03G906018AQ and software ID SN100K5400000. This original file corresponds to a factory engine output of approximately 125 kW (~170 HP). This file is ideal for ECU cloning, restoring the car back to stock and using it as a safe base for future remaps.

All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as 03G906018AQ, SN100K5400000. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: 6207D8F6D5C0FA65541E98CF62A50999B09789ABDECFFD3381E97546D7D5DFA7

Frequently Asked Questions

Use your preferred tuning tool (KESS, KTAG, AutoTuner, CMD, etc.) to write the file to the ECU via OBD, bench, or boot mode.

Yes. Every file we sell has verified checksums — ready to flash without additional correction tools.

Contact us via WhatsApp or the support dashboard. Revisions for the same stage are free.

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