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Can FD-1

WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
CAN-CHASSIS (CAN-FD-1)

CAN CIRCUIT ID CIRCUIT DESCRIPTION DOMINANT MODULES NON-DOMINANT MODULES
FD-1 D280 CAN FD (+) Body Control Module (BCM) Security Gateway Module (SGW) Air Suspension Control Module (ASCM)
D281 CAN FD (-) [2] [3]  [2] [3]  [1] [3] 
[1]  Daisy Chained Module On This CAN.
[2]  Module is connected to more than one CAN.
[3]  Module has internal Trust-Anchor.
GC0201070Courtesy of CHRYSLER GROUP, LLC

For a complete CAN FD-1 BUS SYSTEM wiring diagram, refer to the appropriate system wiring diagram  .