Chevrolet P1A20: Hybrid Battery System Precharge Time Too Long
Is your scanner showing Chevrolet P1A20?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1A20: Hybrid Battery System Precharge Time Too Long
OVERVIEWWhat Does The Chevrolet P1A20 Code Mean?
Ignition voltage is 9-18 V at the drive motor generator battery control module. There are less than 4 hybrid battery voltage sensor faults.
140 milliseconds after the start of precharge, hybrid battery calculated voltage and hybrid battery terminal voltage are 23 V apart.
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
>>> GM Genuine Parts Battery Energy Control Module (Programming Required By Automotive Professional)
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chevrolet P1A20, DTCDECODE.
