04E906016F_7861 Bosch MED17.5.21 original ECU file – Seat Leon 1.4 140hp
04E906016F_7861- Vehicle
- Seat Leon
- Engine
- 1.4 140hp · CHPA
- Calibration
- 04E906016F_7861
93 maps — Engine Torque, Limiters, Injection System, Spark Advance. Original included.
Other numbers for the Seat Leon 1.4 140hp
6 files cover exactly this car and engine, on Bosch MED17.5.21 (6). If your ECU reads differently from this page, the others:
This file's map pack against other Bosch MED17.5.21 packs
Its pack names 93 maps. The 60 Bosch MED17.5.21 packs in the archive have 4 to 146 maps, median 104; 18% of them name fewer than this one.
| Category | This pack | Median pack |
|---|---|---|
| Engine Torque | 42 | 42 |
| Limiters | 14 | 14 |
| Injection System | 13 | 11 |
| Spark Advance | 7 | 7 |
| Air Control | 7 | 7 |
This ECU and car in figures
Bosch MED17.5.21: 285 files, 39 SW numbers, 60 with a map pack. Makes: Volkswagen (191), Audi (49), Seat (26), Skoda (19). Most listed: Volkswagen Golf 7 (142), Volkswagen Polo (28), Audi A3 (26), Audi A1 (22).
Seat Leon: 368 files. ECU types: Bosch ME7.5 (29), Temic DQ250 MQB (29), Bosch MED17.5 (29), Bosch EDC16U34 (27). Engine codes: CAYC (17), J623 (13), CJXA (13), BMN (10).
Engine code CHPA: 46 files, on Bosch MED17.5.21 (45), Bosch MED17.5.25 (1). Listed for Volkswagen Golf 7 (36), Seat Leon (5), Skoda Octavia (2), Volkswagen Golf (2).
What you get
- The original (stock) read of this ECU as listed, as a ready-to-use .bin file by e-mail.
- File sizes differ between tools and read methods — check that the numbers match your ECU before buying.
- Original read only: no full backup, EEPROM or tuned file.
- A digital file: all sales are final — no refunds. Terms of sale