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Home >> Chevrolet >> 2018 >> Bolt EV LT >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Diagnostic Information and Procedures >> DTC P0BFD >> Circuit/System Verification

Circuit/System Verification

  1. Verify no 12V battery system voltage LOW DTCs are set or that a low 12V battery condition was not present at the time P0BFD was set.
    • Go to next step: If the DTCs were not set or a low 12V battery condition was not present 
  2. Vehicle ON.
  3. Verify DTC P0BFD is not set.
    • If any of the DTCs are set 
    1. Clear the DTC, vehicle OFF for 2 minutes to allow all control modules to shut down.
    2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    3. Verify the DTC does not set.
      • If the DTC sets, continue to Circuit/System Testing.
      • Go to next step: If the DTC does not set.
    4. All OK.
    • Go to next step: If none of the DTCs are set 
  4. All OK.
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