DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet

Wiring diagram
DTC/circuit diagnosisU0140 lost communication (BCM)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0140
LOST COMM (BCM)
(Lost Communication With Body Control Module)
When the ignition switch is ON, TCM is unable to receive the CAN
communications ...
Preparation
Special Service Tool
The actual shape of the tool may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
KV991J0080
(J-45741)
ABS active wheel sensor tester
Checking operation of ABS active wheel sensors
Comm ...
Body component parts
Underbody Component Parts
Both sided anti-corrosive
precoated steel portions
High strength steel (HSS)
portions: 440 MPa
Both sided anti-corrosive
steel and HSS portions: 440 MPa
CAUTION:
If the high strength steel (ultra high strength steel) of this is broken,
replace by assem ...