U0100 Lost communication (ECM A)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0100
Lost Communication With
ECM/PCM "A"
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from ECM continuously for 2
...
Turn signal lamp circuit
Description
The BCM monitors inputs from the combination switch (high beam and turn
signal switch) to determine when
to activate the turn signals. The BCM outputs voltage direction to the left and
right turn signals during turn signal
operation or both during hazard warning operation. The BC ...