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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Automatic Transmission - 6L50/6L80/6L90 - Service, Diagnosis & Troubleshooting) >> Automatic Transmission Oil Cooler Flushing and Flow Test (J 45096) >> Code Recording Procedure

Code Recording Procedure

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.
    Fig 1: Setting Main Function Switch To CODE Position
    GM1212346Courtesy of GENERAL MOTORS CORP.
  1. Turn the main function switch to the CODE position.
    2. IMPORTANT:
    • If power is interrupted prior to the recording of the seven-character code, the code will be lost and the flow rate test will need to be repeated.
    • The flow test must run for a minimum of 8-10 seconds and be above 0.5 GPM for a code to be generated.
  2. Record TESTED flow rate, temperature, cycle and seven-character flow code information on repair order.
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