故障现象：控制单元内部（烧蚀） 损坏
故障投诉：内燃机无法再起动。
故障特征：
1） DCDC控制单元内部可能存储以下故障代码
P060700 The control unit has a malfunction.
P1C6100 The power consumption from the on-board electrical system is too high.
P0C7800 The precharging time of the high-voltage on-board electrical system is too long
2）表面发现有黑色胶状物溢出且有焦糊气味。
故障补救：更换DCDC单元。
