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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0756: Shift Solenoid Valve 2 Performance >> Circuit/System Verification

Circuit/System Verification

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    NOTE:

    If other DTCs are set, diagnose those DTCs first.

  1. Engine idling in Park position, with parking brake applied and drive wheels chocked.
  2. Verify the transmission fluid level and condition is correct. Refer to Transmission Fluid Level and Condition Check .
    • If the transmission fluid level and condition is not correct 

      Repair as necessary.

    • Go to next step: If the transmission fluid level and condition is correct 
  3. Ignition ON, clear the Transmission Control Module DTCs with a scan tool.
    4. NOTE:

    During the road test, the Transmission Control Module has to see 3 attempts at a 1 through 6 gear shift change.

  4. Verify the transmission operation performs as indicated in the road test instructions and DTC P0756 did not set. Refer to Road Test .
    • If DTC P0756 is set 

      Refer to Circuit/System Testing.

    • Go to next step: If DTC P0756 did not set 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observe from the Freeze Frame/Failure Records data.
  6. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • Go to next step: If the DTC does not set 
  7. All OK.
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