Cadillac U1300: Class 2 Short to Ground
Is your scanner showing Cadillac U1300?
No worries. We'll show you what it means and how to deal with it.
Cadillac U1300: Class 2 Short to Ground
OVERVIEWWhat Does The Cadillac U1300 Code Mean?
Conditions for Setting the DTC. The module detects that the cass 2 serial data line is shorted to ground for at least 2.6 seconds.
What Are The Potential Causes Of The Cadillac U1300 Code?
This DTC is not received as current because the cass 2 serial data line does not function during this condition.
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
GM, 2016 Service Bullettin – No Crank Key Stuck In Ignition Lock Cylinder Multiple ECM Codes And U1000 Set In Class 2 Modules.