Transmission control unit Saab 9-3 (YS3F) 2003–2012 2.2 TiD D223L 5591425

Part type

Transmission control unit

Also known as

TCU, Gearbox control module

Manufacturer

Saab

Model

9-3 (YS3F)

Years

2003–2012

Engine

2.2 TiD

Engine code

D223L

Part brand

Aisin AW

SKU

3651202

OEM

5591425 [55 91 425]

WSIB000131

Aisin AW transmission control unit for the Saab 9-3 (YS3F) with the 2.2 diesel engine (2003–2012). This module manages gear selection, shifting timing, and torque converter lockup on the automatic transmission. OEM part numbers 5591425 and WSIB000131. Verify connector type and software compatibility with your specific model year before ordering.