Purchase a tested GM 1MB 12586243 PCM. Comes with a 90 Day warranty against defects. PCM will be a “6243” model with the latest OS loaded.
GM Powertrain Control Module (PCM), engine control module (ECU). Will require programming. Fits 2004 C5 Corvette and other vehicles. See Fits section for details. Aluminum cases may show signs of long term bulk storage such as: small dings, nicks, oxidation torn labels and scratches.
Current GM part number: 12586243
Alternate GM part number: 89017739
*The 12586243 1MB PCM does support “Drive by Cable”