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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1968 (Hybrid Controls - 2.4L (Hp7)) >> Diagnostic Information and Procedures >> DTC P1A63, P1A69, P1A6A, or P1A6B >> 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, verify that the latest service software is installed.
  2. With a scan tool, clear the DTC.
  3. Ignition OFF, wait 30 seconds.
  4. Ignition ON, operate the vehicle within the Conditions for Running the DTC and verify the DTC does not reset.
    • If the DTC resets, replace the SGCM.
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