Cadillac P1A88: 42 Volt System Performance
Is your scanner showing Cadillac P1A88?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1A88: 42 Volt System Performance
OVERVIEWWhat Does The Cadillac P1A88 Code Mean?
Ignition voltage is 7 V and no more than 16 V. The accessory DC power control module runs a portion of the diagnostics for this DTC at Accessory/Ignition On. The accessory DC power control module runs additional diagnostics when the 42 volt output is commanded on.
What Are The Potential Causes Of The Cadillac P1A88 Code?
- An external condition has caused an accessory DC power control module 42 volt malfunction
- The accessory DC power control module has detected an internal malfunction.
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 P1A88, DTCDECODE.
