Hardware number · 13 files

12657305 stock ECM files

13 original (stock) ECU files with the hardware number 12657305 — Bosch EDC17CP18 DELCO E86B, Bosch DELCO E86B, Delco E86, used in GMC, Chevrolet vehicles. The other numbers (software, calibration) tell these files apart: compare them with your own read and open the matching file.

13files
3ECU types
2models
2makes

All 12657305 files 13

VehicleECUHWSWCalibration / upgrade
12660477 Chevrolet Silverado6.6 365hp Bosch EDC17CP18 DELCO E86B 12657305 12660477 59CE47EDD4E12009 €20 · Open
12660477 5AB4B310EB069E60 Chevrolet Silverado6.6 365hp Bosch EDC17CP18 DELCO E86B 12657305 12660477 5AB4B310EB069E60 €20 · Open
12667378 7C1ED3D04B000916 Chevrolet Silverado6.6 365hp Bosch EDC17CP18 DELCO E86B 12657305 12667378 7C1ED3D04B000916 €20 · Open
12667378 Chevrolet Silverado6.6 365hp Bosch EDC17CP18 DELCO E86B 12657305 12667378 814A1F266CEF39B9 €20 · Open
12667378 Chevrolet Silverado6.6 365hp · GM Duramax LML Delco E86 12657305 12667378 A5CCD33607982C7C €20 · Open
12667378 FD117A1E7519E417 Chevrolet Silverado6.6 365hp · GM Duramax LML Bosch DELCO E86B 12657305 12667378 FD117A1E7519E417 €20 · Open
12660477 83F2F086AE77207D GMC Sierra6.6 451hp Bosch DELCO E86B 12657305 12660477 83F2F086AE77207D €20 · Open
12660477 D658916926622412 GMC Sierra6.6 451hp Bosch EDC17CP18 DELCO E86B 12657305 12660477 D658916926622412 €20 · Open
12660477 D79A09C794D746B8 GMC Sierra6.6 451hp Bosch EDC17CP18 DELCO E86B 12657305 12660477 D79A09C794D746B8 €20 · Open
12667378 GMC Sierra6.6 451hp Delco E86 12657305 12667378 — €20 · Open
12667378 E886B2FA7F6B461E GMC Sierra6.6 451hp Delco E86 12657305 12667378 E886B2FA7F6B461E €20 · Open
12676139 GMC Sierra6.6 451hp Bosch DELCO E86B 12657305 12676139 5324AEE13F70BD99 €20 · Open
12676139 CE260B827D5102F6 GMC Sierra6.6 451hp Bosch DELCO E86B 12657305 12676139 CE260B827D5102F6 €20 · Open

About 12657305

12657305 is on 13 original (stock) ECM files in our catalogue, always as the hardware number.

They were read from Bosch EDC17CP18 DELCO E86B (6 files), Bosch DELCO E86B (4 files) and Delco E86 (3 files) control units.

Our catalogue lists them for the GMC Sierra (6.6 451hp) and Chevrolet Silverado (6.6 365hp).

Other numbers on these files: 3 software numbers (12667378, 12660477, 12676139); 12 calibration / SW upgrade numbers (59CE47EDD4E12009, 5AB4B310EB069E60, 7C1ED3D04B000916, 814A1F266CEF39B9, …), listed on 12 of the 13 files.

To choose, compare every number of your own read — HW, SW, calibration and SW upgrade where listed — with each file page before you buy.

Number
12657305
Files
13
Found as
hardware number
ECU types
3
Vehicles
2

ECU types with 12657305 3

Vehicles with 12657305 2

Need a modified file?

Tuning for 12657305 — done by our engineers

  • Stage 1 / Stage 2 / ECO
  • DPF / FAP OFF
  • EGR OFF
  • AdBlue / SCR OFF
  • DTC OFF
  • Speed limiter, Start&Stop

Questions

Which vehicles is 12657305 listed for?

In our catalogue: GMC Sierra (6.6 451hp) and Chevrolet Silverado (6.6 365hp). Open the file page that matches your vehicle, engine and numbers.

Which ECM has 12657305?

In our catalogue 12657305 is on files read from Bosch EDC17CP18 DELCO E86B (6 files), Bosch DELCO E86B (4 files) and Delco E86 (3 files) control units.

There are several 12657305 files. Which one do I need?

The one whose numbers match your own read: compare HW, SW, calibration and SW upgrade where they are listed on the file page. All sales are final, so check before you buy.

How do I get the file?

Open the file page and use Quick buy: €20 by card, no registration. We request the file from the original-file database and e-mail it to you — usually within minutes, normally within 24 hours. With an account on our file service fs.auto-remap.com you can also top up your balance and order there.

What exactly do I receive?

The original read only, as a ready-to-use .bin file (ordered through a file-service account: a ZIP archive with an .ori file inside). No full backups, EPROMs, SGO, VBF or other formats. Different tools expect different file sizes when writing, so make sure the file suits your device. All sales are final: check HW and SW against your own read before you buy.