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Test Description

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The number below refers to the step number on the diagnostic table.

  1. 6. The module which was not communicating on the class 2 serial data circuit may have set Loss of Communication DTCs for those modules that it was monitoring.
Fig 1: DTC U1001-U1254 (1 Of 2)
G02422128Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC U1001-U1254 (2 Of 2)
G02422129Courtesy of GENERAL MOTORS CORP.
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