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Optra5 Base, Automatic
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Repair and Diagnosis (Single Page)
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Transmission
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Automatic Trans
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Automatic Transmission - ZF 4HP 16 - Repair Instructions
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Repair Instructions
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Transmission Control Module Replacement
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Removal Procedure
Removal Procedure
Fig 1: Identifying TCM Wiring Connectors
Courtesy of GENERAL MOTORS CORP.
CAUTION:
Refer to
Battery Disconnect Caution
in Cautions and Notices.
Disconnect the negative battery cable.
Disconnect the wiring connectors.
Remove the transaxle control module (TCM) from the bracket.