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Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0864: TCM Communication Circuit Range/Performance >> Diagnostic Method
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Diagnostic Method

Judge NG when the continuous time communication format does not correspond continued for time needed for diagnosis. Judge OK and clear the NG when the communication format corresponds.

Judgment Value 

Fig 1: Threshold Value Table
G00899794Courtesy of SUBARU OF AMERICA, INC.
  1. Time Needed for Diagnosis: 

    60 seconds

  2. Malfunction Indicator Light Illumination: 

    Illuminates when malfunction occurs in 2 continuous driving cycles.