12653997 12655479 Delco E39A3 original ECU file – Cadillac SRX 3.0 267hp

Other SW versions on HW 12653997

24 SW versions sit on this HW in the archive, 65 files in all: Opel Insignia (22), Opel Astra (10), Chevrolet Camaro (8). This page is SW 12655479. A matching HW alone does not pick the file, so compare the SW your tool reads with the list. Below, 20 of them, this model first.

SW 12655479 is also listed for

The catalogue has this SW number on 2 other vehicle variants, 4 files:

• Chevrolet Captiva 3.0 220hp 3 files
• Buick Regal 3.0 267hp

SW numbers next to 12655479

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.

This ECU and car in figures

Delco E39A3: 43 files, 13 SW numbers, 3 with a map pack. Makes: Chevrolet (21), Opel (15), Buick (3), Cadillac (3). Most listed: Opel Astra (11), Chevrolet Camaro (10), Chevrolet Captiva (7), Chevrolet Blazer (4).

Cadillac SRX: 19 files. ECU types: Delco E39 (9), Delco E39A (4), Delco, type not listed (2), Bosch ME9.6.1 (1).