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Serial Data Line Diagnosis

Refer to flowcharts. See Fig 1 and Fig 2 .

Fig 1: Serial Data Line Diagnostic Flowchart (1 Of 2)
G00133091Courtesy of GENERAL MOTORS CORP.
Fig 2: Serial Data Line Diagnostic Flowchart (2 Of 2)
G00133092Courtesy of GENERAL MOTORS CORP.
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