Original file
Original / Factory · Diesel · 2.0 TDI CR 184hp
Audi A3 2.0 TDI CR original file Bosch · 04L906021ER · SW 541673
Audi A3 2.0 TDI CR Turbo Diesel 135 kW (184 HP)2014, Turbo diesel, 135 kW (184 hp)
184 HP Factory calibration Stock backup file, 380 Nm, Diesel
Calibrated ECU file for 04L906021ER (SW 541673). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 2.0 TDI CR 184hp, CUN, 2L, Diesel. Engine #245 in our gains database.
- Power
- 184 HPfactory calibration
- Torque
- 380 Nmfactory calibration
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
-
Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
-
Match the numbers
Your read must show hardware 04L906021ER and software 541673.
-
Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
-
Write it and drive
Write it back the way you read it. Not right for your car? We correct it free.
What the car needs
Required modifications: Factory, Diesel.
Hardware
- Factory hardware: no modifications required
Software / calibration
- OEM calibration restored (recovery / immobiliser / coding work)
Original files are used to revert to factory state, repair after a faulty tune, or recover an ECU before service work.
Product details
This product contains a complete original ECU backup (stock file) for Audi A3 2.0 TDI CR 2014 Turbo-Diesel 135KW with Bosch 04L906021ER (Bosch software number 541673 ( 1037541673 )). This original file corresponds to a factory engine output of approximately 135 kW (~184 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 04L906021ER, 541673 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
84B4D5BE 81233CCC CE020E31 94327412 8FED1C7E F27841A6 B2C16558 4AC1E22CFrequently asked questions
How do I flash this file?
Use your preferred tuning tool (KESS, KTAG, AutoTuner, CMD, etc.) to write the file to the ECU via OBD, bench, or boot mode.
Is the checksum corrected?
Yes. Every file we sell has verified checksums — ready to flash without additional correction tools.
What if I need a revision?
Contact us via WhatsApp or the support dashboard. Revisions for the same stage are free.