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Home >> Chevrolet >> 2008 >> Optra LT, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - ZF 4HP 16 - Service, Overhaul, Removal & Installation, Troubleshooting & Diagnosis >> Transmission Fluid Cooler Flushing and Flow Test (J-45096) >> Code Recording Procedure

Code Recording Procedure

    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 the repair order.
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