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Home >> Cadillac >> 2019 >> XTS Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 (M7U M7W), 6T75 (M7V), Or 6T80 (Mhm) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2723 or P2724 >> Circuit/System Verification

Circuit/System Verification

    WARNING:

    Refer to Parking Brake and Drive Wheels Warning .

    NOTE:

    If other DTCs are set, diagnose those DTCs first.

  1. Engine idling, transmission in Park, 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 TCM DTCs with a scan tool.
  4. Verify DTC P2723 or P2724 does not set while performing a road test. Refer to Road Test .
    • If DTC P2723 or P2724 sets 

      Refer to Circuit/System Testing.

    • Go to next step: If DTC P2723 or P2724 does not set 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame//Failure Records data.
  6. Verify the 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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