Automatic Transmission Electronic Component Views

Fig 1: Identifying Transmission Control Module And Key Interlock Module (TCM)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Transmission Control Module (TCM) ZF 4HP16
2	Key Interlock Module

Fig 2: Identifying Hold Mode Switch

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Shift Program Switch (Hold Mode)