Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

This ECU uses the CAN communication system for DTC communication.
Main Body ECU (Multiplex network body ECU) / Techstream Display "Main Body"
DTC DETECTION ITEM DTC DETECTION
CONDITION
DTC DETECTION
PRE-CONDITION
DTC CHECK
PROCEDURE
WARNING
INDICATION
IN METER
DTC
STORAGE
METHOD
U0100
Lost
Communication
with ECM / PCM
"A"
The main body
ECU (multiplex
network body
ECU) does not
receive data
from the ECM
for 10 seconds
or more.
Both conditions are
met:
10 seconds
have elapsed
after
connection of
the battery.
The power
source
voltage of
the main
body ECU
(multiplex
network body
ECU) is 10 V
or more.
Turn the
ignition
switch to ON
and wait at
least 10
seconds.
-
DTC is stored
until it is
cleared using
the
Techstream.
U0101
Lost
Communication
with TCM
The main body
ECU (multiplex
network body
ECU) does not
receive data
from the ECM
for 10 seconds
or more.
Both conditions are
met:
10 seconds
have elapsed
after
connection of
the battery.
The power
source
voltage of
the main
body ECU
(multiplex
network body
ECU) is 10 V
or more.
Turn the
ignition
switch to ON
and wait at
least 10
seconds.
-
DTC is stored
until it is
cleared using
the
Techstream.
U0120
Lost
Communication
with Starter /
Generator
Control Module
The main body
ECU (multiplex
network body
ECU) does not
receive data
from the
certification ECU
(smart key ECU
assembly) for
10 seconds or
Both conditions are
met:
10 seconds
have elapsed
after
connection of
the battery.
The power
source
voltage of
Turn the
ignition
switch to ON
and wait at
least 10
seconds.
-
DTC is stored
until it is
cleared using
the
Techstream.
cardiagn.com

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