12657305 12660477 Bosch DELCO E86B original ECU file – GMC Sierra 6.6 451hp
12657305SW12660477CAL83F2F086AE77207D- Vehicle
- GMC Sierra
- Engine
- 6.6 451hp
- HW
- 12657305
- SW
- 12660477
- Calibration
- 83F2F086AE77207D
Other SW versions on HW 12657305
3 SW versions sit on this HW in the archive, 13 files in all: GMC Sierra (7), Chevrolet Silverado (6). This page is SW 12660477. A matching HW alone does not pick the file, so compare the SW your tool reads with the list.
| SW | Listed for |
|---|---|
| 12667378 | GMC Sierra 6.6 451hp · Delco E86 |
| 12676139 | GMC Sierra 6.6 451hp |
SW 12660477 is also listed for
The catalogue has this SW number on 1 other vehicle variant, 2 files:
- Chevrolet Silverado 6.6 365hp 2 files
SW numbers next to 12660477
The closest SW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.
| SW | Listed for |
|---|---|
| 12660050 | Chevrolet Silverado 6.6 365hp GM Duramax LML · Delco E86B |
| 12660102 | Chevrolet Tracker 1.3 140hp · Delco E78 |
| 12660715 | Chevrolet Tracker 1.3 140hp A14NET · Delco E78 B |
| 12661794 | Buick Excelle 2.0 190hp A20NHT · Delco E39A3 |
| 12662403 | Opel Astra 1.4 16V Turbo DCVCP 140hp A14NET · Delco E78 |
| 12662405 | Buick Regal 3.0 267hp · Delco E78 |
| 12662629 | Opel Insignia 2.0 250hp · Delco E39A |
| 12663030 | Chevrolet Captiva 2.4 182hp · Delco E39A3 |
| 12663375 | Cadillac CTS 2.0 275hp A20NHT · Delco E39 |
| 12664221 | Chevrolet Malibu 2.0 250hp · Delco E39A |
Other numbers for the GMC Sierra 6.6 451hp
18 files cover exactly this car and engine, on Bosch EDC17CP18 DELCO E86A (10), Bosch DELCO E86B (3), Delco E86 (3). If your ECU reads differently from this page, 6 of the others:
This ECU and car in figures
Bosch DELCO E86B: 4 files, 3 SW numbers, 1 with a map pack. Makes: GMC (3), Chevrolet (1). Most listed: GMC Sierra (3), Chevrolet Silverado (1).
GMC Sierra: 32 files. ECU types: Bosch EDC17CP18 DELCO E86A (12), Delco E98 (9), Delco E86 (5), Bosch DELCO E86B (3).
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