Powertrain Control Module Location

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WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Powertrain Control Module (PCM) is located in front left side of the engine compartment, below the air cleaner. See Fig 1.

Fig 1: Locating PCM

Courtesy of GENERAL MOTORS CORP.