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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1994 (Automatic Transmission - 6T75 - DTC P0218 To DTC P0977) >> DTC P0218 >> 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. Review the Failure Records when the DTC set. Verify the engine coolant temperature is less than 125°C (257°F).
  2. Inspect the transmission cooling system for restrictions or damage.
  3. Perform the Transmission Fluid Check to verify correct fluid level and condition.
  4. Perform the Transmission Fluid Cooler Flushing and Flow Test to verify proper transmission oil cooler flow.
  5. Perform the Line Pressure Check to verify proper transmission line pressure.
  6. 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.