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Home >> Lincoln >> 2021 >> Navigator Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 719 (Module Communications Network (Description & Operation)) >> Description And Operation >> Communications Network - System Operation and Component Description >> System Diagram

System Diagram

WARNING: This page is about a different car, the 2020 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For vehicles equipped with pre-collision assist, the CCM does not communicate directly on the HS-CAN2. The CCM communicates with the IPMA on a private CAN, and the IPMA communicates on the HS-CAN2. For description and diagnostic information, refer to CRUISE CONTROL
NOTE: The network diagram has been split for clarity.

HS-CAN1 AND HS-CAN2 

GFD534136Courtesy of FORD MOTOR COMPANY

HS-CAN3, HS-CAN4 AND MS-CAN 

GFD534137Courtesy of FORD MOTOR COMPANY

Module Network Chart 

Module Name Network Type Terminating Module
ACCM (if equipped) HS-CAN1 No
APIM HS-CAN1 No
HS-CAN3 No
HS-CAN4 No
ABS module HS-CAN2 No
ACM HS-CAN3 No
ATCM HS-CAN2 No
AWD module (if equipped) HS-CAN1 No
BECM (if equipped) HS-CAN1 No
BCM HS-CAN1 No
BCMC (Can Power Distribution Box [CPDB]) HS-CAN1 No
DCDC (if equipped) HS-CAN1 No
DCME MS-CAN No
DCMF MS-CAN No
DCMG MS-CAN No
DCMH MS-CAN No
DDM MS-CAN No
DSM MS-CAN No
DSP (if equipped) HS-CAN3 No
FCIMB HS-CAN3 No
GSM HS-CAN2 No
GWM HS-CAN1 Yes
HS-CAN2 Yes
HS-CAN3 Yes
HS-CAN4 Yes
MS-CAN Yes
HCM (if equipped) HS-CAN2 No
HUD module (if equipped) HS-CAN3 No
HVAC module MS-CAN Yes
IPC HS-CAN3 Yes
IPMA (if equipped) HS-CAN2 No
IPMB (if equipped) HS-CAN2 No
OCS module HS-CAN2 No
PACM (if equipped) HS-CAN1 No
PAM (if equipped) HS-CAN2 No
PDM MS-CAN No
PSCM HS-CAN2 No
PCM HS-CAN1 Yes
RACM (if equipped) HS-CAN3 No
RFA (if equipped) HS-CAN4 No
RGTM MS-CAN No
RTM MS-CAN No
RHVAC module (if equipped) MS-CAN No
RCM HS-CAN2 No
SASM (if equipped) HS-CAN2 No
SCCM HS-CAN2 Yes
SCMB MS-CAN No
SCME (if equipped) (integrated with DSM) MS-CAN No
SCMF (if equipped) MS-CAN No
SCMG (if equipped) MS-CAN No
SCMH (if equipped) MS-CAN No
SCMJ MS-CAN No
SOBDM (Battery Charging Control Module [BCCM]) [ PHEV] HS-CAN1 No
SOBDMC (if equipped) HS-CAN1 No
SODL (if equipped) MS-CAN No
SODR (if equipped) MS-CAN No
SUMA (if equipped) HS-CAN2 No
TCU (if equipped) HS-CAN4 Yes
TRM (if equipped) MS-CAN No
VDM (if equipped) HS-CAN2 No
WACM (if equipped) HS-CAN3 No