LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 934 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0990) >> DTC P0218 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the transmission cooling system for restrictions or damage.
  2. Perform the Transmission Fluid Cooler Flushing and Flow Test (J 45096) to verify proper transmission oil cooler flow.
    • If a concern is found, repair or replace the damaged components as necessary.
  3. Perform the Line Pressure Check to verify proper transmission line pressure.
    • If a concern is found repair or replace the damaged components as necessary.