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Home >> Cadillac >> 1997 >> Eldorado Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Supplemental Inflatable Restraint System) >> Testing - Diagnostic >> DTC U1255: Class 2 Serial Data Line Initialization Error >> Circuit Description

Circuit Description

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.

Modules connected to class 2 serial data line, monitor the line for serial data communications during normal operation. SDM sets DTC U1064 when no SOH messages detected on class 2 data line.

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