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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 P1A7C or P1A7D >> 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. Verify the SGCM coolant pump operates.
  2. Ignition ON, command the scan tool SGCM coolant pump output control ON and OFF.
    • If the SGCM coolant pump does not operate refer to SGCM Coolant Pump Malfunction.
  3. With a scan tool, clear the DTC.
  4. Ignition OFF, wait 30 seconds.
  5. Ignition ON, operate the vehicle within the Conditions for Running the DTC.
    • If the DTC resets, replace the SGCM.
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