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Home >> Chevrolet >> 2022 >> Bolt EV >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Hybrid/EV Energy (Storage) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0AF8 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that no other DTCs are set.
    • Go to next step: If no DTCs are set 
  2. Ensure the battery charge cord is not connected.
  3. Vehicle ON.
    4. NOTE:

    The contactors must be closed.

  4. Verify with a scan tool, the hybrid/EV powertrain control module High Voltage Circuit and the battery energy control module Hybrid/EV Battery Pack Terminal 1 Voltage are within 16 V of each other and DTC P0AF8 did not reset.
    • If the parameters are not within 16 V of each other or DTC P0AF8 is set 

      Refer to Circuit/System Testing, Battery Main Bus Diagnostics.

    • Go to next step: If the parameters are within 16 V of each other and DTC P0AF8 is not set 
  5. Connect the battery charge cord.
  6. Verify with a scan tool, the hybrid/EV powertrain control module 2 Battery Charger High Output and the battery energy control module Hybrid Battery Pack Terminal 1 Voltage are within 16 V of each other and DTC P0AF8 did not reset.
    • If the parameters are not within 16 V of each other or DTC P0AF8 is set 

      Refer to Circuit/System Testing, Battery Charger Bus Diagnostics.

    • Go to next step: If the parameters are within 16 V of each other and DTC P0AF8 is not set 
  7. All OK
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