Original file
Audi A3 Bosch MED17.5.21 04E907309A / 1037541898
An original (stock) flash read of the Bosch MED17.5.21 control unit, fitted in Audi A3, hardware number 04E907309A and software number 1037541898, 2,560.00 KB. The file is supplied exactly as it was read from the unit, byte for byte; nothing is changed in it.
Technical data
| Brand | Audi |
|---|---|
| Car model | A3 |
| Engine | 1.4 petrol 122PS |
| Fuel | petrol |
| Displacement | 1.4 |
| Power | 122.0PS / 89.7kW |
| Control unit | Bosch MED17.5.21 |
|---|---|
| ECU maker | Bosch |
| Hardware number | 04E907309A |
| Software number | 1037541898 |
| File type | Original flash read |
|---|---|
| File size | 2,560.00 KB |
| File key | e48559f4a96036e1 |
| Price | €15 |
About this file
Typical uses: restoring a control unit to its factory software after a failed flash or a corrupt memory, a clean base before any change, comparing a read of your own with the original. The checksum is the one of the read; your programmer or the CARTESIAN app corrects it after a change.
In CARTESIAN this original file is the base for lambda off, EGR off, flaps off, start/stop off and DTC off, each saved with a correct checksum, and for returning a modified unit to stock.
How to use this file
- Order with your e-mail address; the download link comes right after the payment and is valid for 30 days.
- Open the file in your programmer, compare its numbers with your unit and check the checksum.
- Write it only to a Bosch MED17.5.21 whose label carries the same hardware and software numbers.
Before you write Compare the numbers on your control unit with this file, hardware number 04E907309A and software number 1037541898. A file written to a unit with other numbers can damage it. Not sure? Give your own read to the search above: it is compared by content.
Other reads of this pair
The same hardware and software numbers, read from other vehicles or at other times; each has its page.
| Vehicles | Size | From the file name | Contents | Price | Add to cart |
|---|---|---|---|---|---|
| Flash | 4,096.00 KB | Flash | €15 | Add to cart | |
| Audi A3 1.4 TSI | 2,560.00 KB | Flash | €15 | Add to cart |
Other pairs of Bosch MED17.5.21
| Hardware | Software | Vehicles |
|---|---|---|
| 04E907309A | 1037539405 | Seat Leon 1.4 TSI, Seat Leon |
| 04E907309A | 1037539406 | Volkswagen Golf, Volkswagen Octavia, Volkswagen Golf 7 |
| 04E907309A | 1037539408 | Seat Leon, Seat Octavia, Škoda |
| 04E907309A | 1037541897 | Seat A3 1.4 TFSI, Seat Leon, Audi |
| 04E907309A | 1037542745 | Volkswagen Golf, Volkswagen Leon 1.4 TSI, Volkswagen Golf7 |
| 04E907309A | 1037542746 | Volkswagen Golf |
| 04E907309A | 1037542964 | Volkswagen Golf |
| 04E907309A | 1037543620 | Volkswagen Golf, Volkswagen Golf 1.2 TSI, Volkswagen Octavia |