Transmission Control Module Replacement

Fig 1: Identifying Transmission Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .
1	Transmission Control Module (TCM) Electrical Connector. IMPORTANT: Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.
2	TCM Push Pins (Qty: 2)
3	TCM Tip: A new TCM requires programming. Refer to Control Module References . It is recommended that transmission adaptive pressure (TAP) information be reset. Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned. Reset the TAP values. Refer to Transmission Adaptive Functions .