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DTC P1626: Vehicle Theft Deterrent Controller Serial Data Circuit: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: For circuit reference, refer to appropriate schematic. See Fig 1 or Fig 2 .
Fig 1: PCM & Serial Data System Circuit Diagram ("C" & "K" Series)
G98H00882Courtesy of GENERAL MOTORS CORP.
Fig 2: PCM & Serial Data System Circuit Diagram ("G" Series)
G98J00884Courtesy of GENERAL MOTORS CORP.