DTC P30DF-62: Backup Boost Converter Circuit Board (Thermistor) Signal Compare Failure; DTC P30EF-4B: Backup Boost Converter Circuit Board Over Temperature; DTC P323A-00: Backup Boost Converter "A"; DTC P323A-16: Backup Boost Converter "A" Circuit Voltage Below Threshold; DTC P323A-A2: Backup Boost Converter "A" System Voltage Low; DTC P323B-29: Backup Boost Converter "A" Control Circuit Signal Invalid; DTC P323B-38: Backup Boost Converter "A" Control Circuit Signal Cycle Invalid [12/2019 - 10/2022]: Wiring Diagram