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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1700 (Automatic Transmission - 6T75 - DTC P0218 To DTC P0977) >> DTC P0667, P0668, or P0669 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine idling at operating temperature, verify the scan tool TCM Temperature parameter is between -247 and +247°C (-412 and +477°F).
    • If not within the specified range, replace the control solenoid (w/body and TCM) valve assembly.
  2. Operate the vehicle at 64 km/h (40 mph) for 10 minutes, verify the scan tool TCM Temperature parameter varies by more than 2°C (5°F) to verify that the sensor is not stuck.
    • If less than the specified range, replace the control solenoid (w/body and TCM) valve assembly.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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