LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0977) >> DTC P0218 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. 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 Automatic Transmission Oil 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.
scientia non olet · About LEMON Manuals