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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 833 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0748: Open Or Short In The Pc Solenoid Valve Circuit >> Test Description

Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step tests the ability of the PCM to command the PC solenoid valve.
  2. 3. This step tests the PC solenoid valve and automatic transmission wiring harness assembly for incorrect resistance.
    Fig 1: Diagnostic Trouble Code (DTC P0748) Table (Step 1-5)
    G02111590Courtesy of GENERAL MOTORS CORP.
    Fig 2: Diagnostic Trouble Code (DTC P0748) Table (Step 6-14)
    G02111591Courtesy of GENERAL MOTORS CORP.
    Fig 3: Diagnostic Trouble Code (DTC P0748) Table (Step 15-20)
    G02111592Courtesy of GENERAL MOTORS CORP.
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