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Home >> GMC >> 1998 >> Forward Control 7.4 J >> Repair and Diagnosis >> External Pages >> Different car >> Section 522 (Data Link Communications System) >> Description and Operation >> Data Link Communications Description and Operation >> Class 2 Serial Data Line
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Class 2 Serial Data Line

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

The class 2 serial data line on this vehicle is a ring/star configuration. The following modules communicate on the class 2 serial data line: