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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-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. 7. This step tests the ability of the PCM and the wiring to control the ground circuit.
  4. 12. This step measures the resistance of the automatic transmission (AT) wiring harness assembly and the 2-3 SS valve.
Fig 1: DTC P0758 (Steps 1 - 5)
G01952205Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0758 (Steps 6 - 15)
G01952206Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P0758 (Steps 16 - 20)
G01952207Courtesy of GENERAL MOTORS CORP.
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