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: A successful detection often triggers the Diagnostic Trouble Code (DTC) P1326 . Decoding the Identifier Components
: This likely refers to the source or the specific "flavor" of the diagnostic tool used to deploy the update (e.g., a variant of the Vanguard or VG diagnostic hardware). Captain-s VgHD Update -953- a747-b090-c100-d016 2010-12-19
: This represents the release or timestamp for this particular iteration of the patch. While Campaign 953 has seen various iterations over the years for different models, specific timestamps like this are often tied to early beta or regional release cycles. Hyundai Sonata Engine Update Campaign 953 | PDF - Scribd : A successful detection often triggers the Diagnostic
