General Information
Low DC/DC Converter
P1A88 DC/DC Converter Cooling System Fault - General Information
Component Location
General Description
The Low Voltage DC/DC Converter (LDC) converts High voltage (270V) to Low voltage (12V) and charges the Auxiliary Battery. The LDC is located in the Hybrid Power train Control Unit (HPCU). The cooling system is to prevent the LDC from overheating.
DTC Description
The LDC sets P1A88 when LDC detects system temperature over the 221F.
DTC Detecting Condition