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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Manual Transmission - TREMEC 6-Speed (Mg9) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0712 or P0713 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter: Transmission Fluid Temperature Sensor =-39 to 169°C (-38 to 338°F)
    • If not between -39 and 169°C (-38 and 338°F) 

      Refer to: Circuit/System Testing

    • Go to next step: If between -39 and 169°C (-38 and 338°F) 
    • WARNING:

      Road test a vehicle under safe conditions and while obeying all traffic laws. Do not attempt any maneuvers that could jeopardize vehicle control. Failure to adhere to these precautions could lead to serious personal injury and vehicle damage.

  3. Operate the cold vehicle above 64 km/h (40 MPH) for 10 min.

    Verify the scan tool parameter: Transmission Fluid Temperature Sensor = Temperature increases greater than 2°C (4°F)

    • If the value does not change 

      Refer to: Circuit/System Testing

    • Go to next step: If the value changes 
  4. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC is not set 
  5. All OK.