Cadillac P1A89: 42 Volt System Voltage Low
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Cadillac P1A89: 42 Volt System Voltage Low
OVERVIEWWhat Does The Cadillac P1A89 Code Mean?
Accessory DC power control module 42 volt output commanded on.
42 volt circuit below 21 volts during operation.
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 84181077 Accessory AC and DC Power Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Cadillac P1A89, DTCDECODE.