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Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Data Communication System) >> Description and Operation >> Data Link Communications Description and Operation >> Class 2 Serial Data Usage

Class 2 Serial Data Usage

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The class 2 serial data communications circuit on this vehicle is only used for powertrain control module (PCM) diagnostics and PCM service programming system (SPS) programming.

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