Programmable Communications Interface Data Bus
WARNING: This page is about a different car, the 2008 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
The PCI (or J1850) data bus communication protocol exceeds the Society of Automotive Engineers (SAE) J1850 Standard for Class B Multiplexing. The PCI data bus speed is an average 10.4 Kilobits per second (Kbps).