Transmission Identification Information
For automatic transmission AF50, the identification plate is on the top of
the transmission housing.
Aisin Warner transmission type
Fabrication line 1 = 000001 - 500000 Fabrication line 2 = 500001 -
999999
Transmission type (AF50)
Model code
GM parts
IMMOBILIZER DESCRIPTION AND OPERATION
Without BTM
The immobilizer system functions are provided by the Immobilizer Control
Module, the Body Control
Module (BCM) and the Engine Control Module (ECM), as well as any modules which
store and report
the environment identifier.
When an ignition key is