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Home >> Chevrolet >> 2017 >> Traverse Premier, FWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - 6T75 (M7V M7X) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0667, P0668, or P0669: Control Module Temperature Sensor >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool TCM Temperature parameter is between -249 and +249°C (-416 and +480°F).
    • If not between -249 and +249°C (-416 and +480°F) 

      Replace the Q8 Control Solenoid Valve Assembly.

    • If between -249 and +249°C (-416 and +480°F) 
  3. Verify the scan tool TCM Temperature parameter increases greater than 2°C (3.5°F) after operating the vehicle at 64 km/h (40 mph) for 10 min.
    • If the temperature does not increase greater than 2°C (3.5°F) 

      Replace the Q8 Control Solenoid Valve Assembly

    • If the temperature increases greater than 2°C (3.5°F) 
  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.
  5. Verify the DTC does not set.
    • If the DTC sets 

      Replace the Q8 Control Solenoid Valve Assembly

    • If the DTC does not set 
  6. All OK.
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