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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Body Control Modules) >> Diagnostic Tests >> DTC U1300: Class 2 Data Link Low >> Diagnostic Aids

Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana Special, 2001 GMC Savana Camper Special, and 2001 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.

DTC U1300 cannot be retrieved as current. Diagnosis for current DTC U1300 is accomplished using TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  under SYSTEM TESTS. An intermittent condition can be caused by a short to ground on the class 2 serial data line.

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