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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P0A7F: Hybrid/EV Battery Pack Life >> Circuit/System Verification

Circuit/System Verification

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  1. Verify that no other DTCs are set.
    NOTE: Removing the manual service disconnect before disconnecting the 12 V battery may cause a DTC P0A7F to set. Incorrectly performing the High Voltage Disabling procedure steps will cause false DTCs to set and result in misdiagnosis of vehicle components.
    • No other DTCs are set 
  2. Verify DTC P0A7F is set.
    • If DTC P0A7F is set 
    1. Record Freeze Frame Failure record data. Clear the DTC. Vehicle OFF, disconnect the 12 V battery. Refer to Battery Negative Cable Disconnection and Connection (without KL9)Battery Negative Cable Disconnection and Connection (with KL9)
    2. Wait 30 seconds. Reconnect the 12 V battery. Refer to Battery Negative Cable Disconnection and Connection (without KL9)Battery Negative Cable Disconnection and Connection (with KL9)
    3. Review and operate the vehicle according to the DTC Conditions for Running. Operate the vehicle for more than 10 minutes of city driving.
    4. Verify that DTC P0A7F does not reset.
      • If DTC P0A7F resets, replace the A4 hybrid/EV battery pack.
      • If DTC P0A7F does not reset
    5. All OK.
    • If DTC P0A7F is not set 
  3. All OK.
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