Sae J193973 Pdf Exclusive Review

: Describes the nature of the failure (e.g., data valid but above normal range).

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Diagnostic communication is organized into "DMs." Each DM has a specific purpose: DM1 (Active DTCs): Periodically broadcast to show current issues. DM2 (Previously Active DTCs): Used to retrieve historical fault data. DM11 (Clear Active DTCs): : Describes the nature of the failure (e