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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P06AC, P06AD, Or P06AE: Control Module Power Up Temperature Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON, clear the DTCs with a scan tool.
  2. Operate the vehicle at 64 km/h (40 mph) for 10 min.
  3. Verify DTC P06AC, P06AD, or P06AE is not set.
    • If any of the DTCs are set 

      Replace the Q8 Control Solenoid Valve Assembly.

    • Go to next step: If none of the DTCs are set 
  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.

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