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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 919 (Theft Deterrent System) >> Diagnostic Information and Procedures >> Diagnostic System Check - Theft Deterrent >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The numbers 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. 3. The symptoms list in Symptoms will determine the correct diagnostic procedure to use.
  3. 4. 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. 5. The presence of DTC P0601 or P0602 indicates an internal fault in the PCM.
    Fig 1: Diagnostic System Check - Theft Deterrent
    G01616639Courtesy of GENERAL MOTORS CORP.
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