Chevrolet P1EC5: Hybrid/EV Battery Pack Heater Transistor Stuck On
Is your scanner showing Chevrolet P1EC5?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1EC5: Hybrid/EV Battery Pack Heater Transistor Stuck On
OVERVIEWWhat Does The Chevrolet P1EC5 Code Mean?
The 12 V battery voltage is greater than 9 V. During battery charger precharge mode. The battery charger negative and positive contactors are closed. The multifunction contactor is open. The heater transistor duty cycle is less than 5 %.
This DTC will be set if the battery charger sensed current is greater than 0.4 A during the battery charger precharge mode with the multifunction and heater transistor commanded OFF.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> KAIWEETS Digital Multimeter
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 419.
