CHEVROLET · E86 ECU

CHEVROLET SILVERADO E86 tuning files

CHEVROLET SILVERADO on the E86: matched, calibrated and delivered with care. The matched variants sit between 365 and 397 HP from the factory. There are 6 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All SILVERADO coverage Custom ECU tuning file service

Available solutions

What we can run on the E86 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2 Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

6 distinct variants for the CHEVROLET SILVERADO on the E86 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 6600 397HP
Engine code: GM Duramax LML
Controller brand: DELCO
ECU: E86
Stock power: 397 HP
ECU SW: 12644095
ECU HW: 12644096
Calibration: 6F76CDB4529801DA

Variant 2

ECU

Catalog engine: 6600 397HP
Engine code: GM Duramax LML
Controller brand: DELCO
ECU: E86
Stock power: 397 HP
ECU SW: 12644095
ECU HW: 12644096
Calibration: 62A7AA84938A3FAE

Variant 3

ECU

Catalog engine: 6600 396HP
Controller brand: DELCO
ECU: E86
Stock power: 396 HP
ECU SW: 12646250
ECU HW: 12646251
Calibration: 636FF6228BF506CA

Variant 4

ECU

Catalog engine: 6600 365HP
Engine code: GM Duramax LML
Controller brand: DELCO
ECU: E86
Stock power: 365 HP
ECU SW: 12669774
ECU HW: 12664192
Calibration: BCDA5F21908E167A

Variant 5

ECU

Catalog engine: 6600 365HP
Engine code: GM Duramax LML
Controller brand: DELCO
ECU: E86
Stock power: 365 HP
ECU SW: 12667378
ECU HW: 12657305
Calibration: A5CCD33607982C7C

Variant 6

ECU

Catalog engine: 6600 V8 D 365HP
Engine code: GM Duramax LML
Controller brand: DELCO
ECU: E86
Stock power: 365 HP
ECU SW: 12645751
ECU HW: 12645752
Calibration: 18752CB5BD8C366A

Related vehicles

Other vehicles built on the E86 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the CHEVROLET SILVERADO on the E86?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the E86 ECU software on this model?

Yes — the CHEVROLET SILVERADO on the E86 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.