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Home >> Chevrolet >> 2016 >> Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DC Power Conversion Test >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    To accurately diagnose the charging system, the C1 Battery must be fully charged and capable of passing the Battery Inspection/Test.

  1. Perform the Battery Inspection/Test .
    2. NOTE:

    The engine must be started to enable high voltage and the 14V Power Module. They will remain enabled during any subsequent Autostops.

  2. Engine running.
  3. Verify that no DTCs are set that would cause a charging system concern.
    • If no applicable DTCs are set 
  4. Ignition OFF.
  5. Measure and record the C1 Battery voltage at the C1 Battery terminals. The C1 Battery voltage should stabilize within a few minutes of turning the Ignition OFF.
  6. Engine running and all accessories OFF.
  7. Measure and record the C1 Battery voltage at the C1 Battery terminals. The voltage should be at least 1V greater than the voltage measured previously but less than 15.5V.
    • If not within the specified range  

      Refer to Circuit/System Testing.

    • If within the specified range  
  8. All OK.
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