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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2001 (Automatic Transmission - 6T75 - DTC P0989 To DTC P2764) >> DTC P1684-P1686 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, clear the DTCs with a scan tool.
  2. Operate the vehicle within the Conditions for Running and Setting the DTC. The DTCs should not set.
    • If a DTC sets, replace the control solenoid (w/body and TCM) valve assembly.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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