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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Modules >> Description And Function >> Body Control And Data Link System Description And Function >> Function Overview
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Function Overview

Body control module - the BCM is the main control unit for body electrical functions:

The integrated security module covers:

G16025088Courtesy of VINFAST, LLC


The BCM is the core control module in the vehicle, it mainly controls the following sub functional systems:

Functions ECO PLUS
Exterior lighting X X
Interior light X X
Ambient light X X
Front wiper X X
Rear wiper X X
Washer X X
Outside mirror function X X
TPMS (tire pressure monitoring system) X X
Wireless charger O X
Foot kick sensor O X
Door lock control X X
Antitheft system X X
PEPS (passive entry passive start) X X
Immobilizer X X
Fail safe and limp home mode X X
Voltage mode management X X
Power mode management X X
Energy management X X
Controlled clamp X X
Horn X X
Rear defroster/mirror heating X X

Example of Circuit Diagram (current status will be submitted later for VFe36)

G16025089Courtesy of VINFAST, LLC

Example of Circuit Diagram (current status will be submitted later for VFe36)

G16025090Courtesy of VINFAST, LLC

Example of Circuit Diagram (current status will be submitted later for VFe36)

G16025091Courtesy of VINFAST, LLC

Overview/Network Position - CAN

Serial data communication networks provide a reliable, cost effective way for various components of the vehicle to "talk" to one another and share information.

The vehicle uses a number of different communication buses to insure the timely and efficient exchange of information between devices.

G16025092Courtesy of VINFAST, LLC

Local Interconnect Network LIN

Body control module - the BCM also uses local interconnect network - LIN - to control subsidiary modules.

G16025093Courtesy of VINFAST, LLC

5 separate LIN busses are controlled

  1. BCM-LIN1
  2. BCM-LIN2
  3. BCM-LIN3
  4. BCM-LIN4
  5. BCM-LIN5
Abbr Module LIN
BCM Body control module LIN-MASTER
BAS Battery sensor (12V) BCM-LIN1
SCM Steering column module BCM-LIN1
RLS Rain light sensor BCM-LIN1
WLC Wireless charge port BCM-LIN2
WLC2 Wireless charge port 2 BCM-LIN2
FKS Foot kick sensor BCM-LIN2
ALM3 Ambient light module 3 BCM-LIN3
ALM4 Ambient light module 4 BCM-LIN3
ALM5 Ambient light module 5 BCM-LIN3
ALM6 Ambient light module 6 BCM-LIN3
RLBL Rear light body left BCM-LIN4
RLBR Rear light body right BCM-LIN4
RLT Rear light body BCM-LIN4
ALM1 Ambient light module 1 BCM-LIN5
ALM2 Ambient light module 2 BCM-LIN5
ALM7 Ambient light module 7 BCM-LIN5
ALM8 Ambient light module 8 BCM-LIN5
ALM9 Ambient light module 9 BCM-LIN5
ALM 10 Ambient light module 10 BCM-LIN5