U0140 Lost communication (BCM)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0140
Lost Communication With Body
Control Module
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from BCM continuously ...
Side air bag module
Removal and Installation
REMOVAL
WARNING:
Do not leave any objects (screwdrivers, tools, etc.) on the seat during seatback
repair. It can lead to
personal injury if the side air bag should accidentally deploy.
CAUTION:
Before servicing, turn ignition switch OFF, disconnect both
battery ...