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Home >> Cadillac >> 1999 >> Eldorado Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Supplemental Inflatable Restraint System) >> Testing - Diagnostic >> DTC U1300: Class 2 Serial Data Line Short To Ground >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 1998 Cadillac Eldorado and 1998 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

DTC sets when no class 2 messages are detected by SDM, SDM voltage is in normal operating range, and low voltage detected on class 2 data line simultaneously.