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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 813 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0758: Open Or Short In The 2-3 SS Valve Circuit Or The 2-3 SS Valve >> Test Description

Test Description

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

  1. 4. This step tests the function of the 2-3 SS valve and the internal wiring harness.
  2. 5. This step tests the power to the 2-3 SS valve from the ignition through the fuse.
  3. 6. This step tests the ability of the PCM and the wiring to control the ground circuit.
  4. 8. This step measures the resistance of the automatic transmission (AT) wiring harness assembly and the 2-3 SS valve.
    Fig 1: Diagnostic Trouble Code (DTC P0758) Table (Step 1-3)
    G02112048Courtesy of GENERAL MOTORS CORP.
    Fig 2: Diagnostic Trouble Code (DTC P0758) Table (Step 4-11)
    G02112049Courtesy of GENERAL MOTORS CORP.
    Fig 3: Diagnostic Trouble Code (DTC P0758) Table (Step 12-20)
    G02112050Courtesy of GENERAL MOTORS CORP.
    Fig 4: Diagnostic Trouble Code (DTC P0758) Table (Step 21-22)
    G02112051Courtesy of GENERAL MOTORS CORP.
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