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Home >> Cadillac >> 2024 >> LYRIQ Tech, AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Controls >> Diagnostic Information and Procedures >> DTC P0BFD >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle On
  2. Verify no 12 V battery system voltage LOW DTCs are set or that a low 12 V battery condition was not present at the time P0BFD was set.
    • Go to next step: If the DTCs were not set or a low 12 V battery condition was not present 
  3. Verify DTC P0BDF is not set in any of the Drive Motor Control Modules.
    • If the DTC is set 
    1. Clear the DTC, vehicle OFF for 10 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.

      Verify the DTC does not set.

      • If the DTC sets, Refer to: Circuit/System Testing.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  4. All OK.