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Powertrain Control Module: Installation

Install PCM and PCM ground circuit on backing plate. Being careful to align harness connectors properly. slide connectors on to PCM terminals. Ensure locking levers are firmly in place. Align PCM backing plate with slots in fuse/relay box and slide PCM into place. Program frequency code of new PCM into the existing anti-theft system module. See appropriate ANTI-THEFT SYSTEMS article. Perform idle learn procedure by turning ignition switch to ON position for 30 seconds with engine off. If further relearn information is necessary, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. Install fuse/relay box cover.

Fig 1: Removing & Installing PCM
G99D54737Courtesy of GENERAL MOTORS CORP.