Circuit/System Verification

NOTE: Correct any engine controls or communications DTCs before diagnosing Hybrid Powertrain Control Module DTCs.

DTC P0AC4 00 is an informational DTC. If there are no other engine controls or communications DTCs set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for diagnosis of Hybrid Powertrain Control Module DTCs.
Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.