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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 P0740: Open, Short To Ground Or Short To Power In The Tcc Solenoid Valve Circuit >> 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 for voltage to the solenoid.
  2. 5. This step tests the ability of the PCM and wiring to control the ground circuit.
  3. 7. This step tests the resistance of the TCC solenoid valve and the automatic transmission (AT) wiring harness assembly.
    Fig 1: Diagnostic Trouble Code (DTC P0740) Table (Step 1-4)
    G02111581Courtesy of GENERAL MOTORS CORP.
    Fig 2: Diagnostic Trouble Code (DTC P0740) Table (Step 5-12)
    G02111582Courtesy of GENERAL MOTORS CORP.
    Fig 3: Diagnostic Trouble Code (DTC P0740) Table (Step 13-18)
    G02111583Courtesy of GENERAL MOTORS CORP.
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