Self-Diagnostic System: Snapshot: Notes

WARNING: This page is about a different car, the 1993 Buick Riviera and 1992 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If directed here from TEST TYPE SELECTION under MANUAL OPERATION OF SERVICE MODE, go to step 2) of either BCM SNAPSHOT or ECM SNAPSHOT .

The snapshot test type will record all BCM or ECM data and inputs at one instant for review at a later time. The BCM and ECM snapshots vary slightly.