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Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 2.  Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition.
  2. 4.  The Symptom Table will determine the correct diagnostic procedure to use.
  3. 5.  The presence of DTCs which begin with "U" indicate some other module is not communicating. The specified procedure will compile all the available information before tests are performed.
  4. 6.  This step determines if any internal controller DTCs are set.
  5. 7.  This steps determines if any system voltage DTCs are set.
    Fig 1: Diagnostic System Check - Power Seat Systems
    G01803809Courtesy of GENERAL MOTORS CORP.
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