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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 P0A7C >> 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. Ignition ON, observe the scan tool SGCM temperature sensor parameters.
    • If only the SGCM board temperature sensor reads high, replace the SGCM.
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