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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Hybrid/EV System Heating And Cooling) >> Diagnostic Information and Procedures >> DTC P0A7E: Hybrid/EV Battery Pack High Temperature >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Visually inspect the inlet and outlet of the Hybrid/EV Battery Pack Cooling Fan ducts.
  2. Verify the inlet and outlet are free of any debris or obstructions that will limit airflow through the duct.
    • If any debris or obstructions are found 

      Remove the obstruction to allow proper airflow and allow the Hybrid/EV Battery Pack to cool before retesting.

    • If no debris or obstructions are found 
  3. Verify the Hybrid/EV Battery Pack Cooling Fan ducts are properly secured and are not crimped, crushed, or deformed in a manner that will limit airflow through the duct.
    • If the ducts are unsecured or damaged 

      Repair or replace as necessary and allow the Hybrid/EV Battery Pack to cool before retesting.

    • If the ducts are properly secured and undamaged 
  4. Ignition ON.
  5. Verify the scan tool Battery Energy Control Module Battery Temperature parameters are all be between -39° and 60°C (-38.2 and 140°F).
    • If not between -39° and 60°C (-38.2 and 140°F) 

      Refer to Circuit/System Testing.

    • If between -39° and 60°C (-38.2 and 140°F) 
  6. All OK.
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