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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1372 (Automatic Transmission - 2ML70 - DTC P0218 To DTC P0965-P0967) >> DTC P0218 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the DTC sets outside of the Conditions for Running and Setting. Since most occurrences of this DTC are caused by Engine Overheating , review with the customer the conditions under which the DTC set.
    • If the DTC set within the Conditions for Running and Setting, the transmission is operating as designed.
  2. Perform the Transmission Fluid Check procedure.
  3. Operate the vehicle within the conditions that the customer experienced and verify the DTC does not reset.
    • If the DTC resets, test for an overheating condition.
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