Toyota Tundra. Manual — part 272

The 4WD control ECU is connected to the CAN communication system but CAN communication
DTCs are not output.

j. BUS BUFFER ECU

For vehicle with bus buffer ECU only.

HINT:

The bus buffer ECU is connected to the CAN communication system but CAN communication
DTCs are not output.

k. FRONT POWER SEAT CONTROL ECU AND SWITCH LH

For vehicle with front power seat control system (w/ Seat memory) only.

HINT:

The front power control seat ECU and switch LH is connected to the CAN communication system
but CAN communication DTCs are not output.

l. OUTER MIRROR CONTROL ECU

For vehicle with front power seat control system (w/ Seat memory) only.

HINT:

The outer mirror control ECU and switch LH is connected to the CAN communication system but
CAN communication DTCs are not output.

4. DTC COMBINATION TABLE

DTC COMBINATION REFERENCE TABLE

Output

from

Output

DTC

Detection Item

Detected Communication Stop Mode

V Bus

Main Body

ECU

Communication

Stop Mode

ECM

Communication

Stop Mode

Skid Control

ECU

Communication

Stop Mode

Steering An

Sensor

Communica

Stop Mod

Multiplex
Tilt and
Telescopic
ECU

B2621

Communication

Interruption

-

-

-

-

U1002

Lost

Communication

with Gateway

Module

-

-

-

-

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

Main Body
ECU

U0208

Lost

Communication

with "Seat

Control Module

A"

-

-

-

-

U0199

Lost

Communication

with "Door

Control Module

A"

-

-

-

-

U1115

Lost

Communication

with Tilt and

Telescopic

Module

-

-

-

-

ECM

U0101

Lost

Communication

with TCM

-

o

-

-

Skid Control
ECU with
Actuator

U0073

Control Module
Communication

Bus OFF

-

-

-

-

U0100

Lost

Communication

with

ECM/PCM "A"

-

o

-

-

U0114

Lost

Communication

with 4-Wheel

Drive Clutch

Control Module

-

-

-

-

U0123

Lost

Communication

with Yaw Rate

Sensor Module

-

-

-

-

U0124

Deceleration

Sensor

Communication

Circuit

Malfunction

-

-

-

-

U0126

Lost

Communication

with Steering
Angle Sensor

Module

-

-

-

o

U0100

Lost

Communication

-

o

-

-

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

DTC COMBINATION REFERENCE TABLE

Combination
Meter ECU

with

ECM/PCM "A"

U0129

Lost

Communication

with Brake

System Control

Module

-

-

o

-

Air
Conditioning
Amplifier

B1499*1

Multiplex

Communication

Circuit

-

o

-

-

HINT:



o: DTC is memorized.



[]: Communication error status is memorized, (e.g., 1 wire disconnection)



*1: Only during failure status.

Output

from

Output

DTC

Detection Item

Detected Communication Stop Mode

V Bus

Combination

Meter ECU

Communication

Stop Mode

Center Airbag

Sensor

Communication

Stop Mode

Air

Conditioning

Amplifier

Communication

Stop Mode

4WD Contr

ECU

Communica

Stop Mod

Multiplex
Tilt and
Telescopic
ECU

B2621

Communication

Interruption

-

-

-

-

Main Body
ECU

U1002

Lost

Communication

with Gateway

Module

-

-

-

-

U0208

Lost

Communication

with "Seat

Control Module

A"

-

-

-

-

U0199

Lost

Communication

with "Door

Control Module

A"

-

-

-

-

U1115

Lost

Communication

with Tilt and

-

-

-

-

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

Telescopic

Module

ECM

U0101

Lost

Communication

with TCM

-

-

-

-

Skid Control
ECU with
Actuator

U0073

Control Module
Communication

Bus OFF

-

-

-

-

U0100

Lost

Communication

with

ECM/PCM "A"

-

-

-

-

U0114

Lost

Communication

with 4-Wheel

Drive Clutch

Control Module

-

-

-

o

U0123

Lost

Communication

with Yaw Rate

Sensor Module

-

-

-

-

U0124

Deceleration

Sensor

Communication

Circuit

Malfunction

-

-

-

-

U0126

Lost

Communication

with Steering
Angle Sensor

Module

-

-

-

-

Combination
Meter ECU

U0100

Lost

Communication

with

ECM/PCM "A"

o

-

-

-

U0129

Lost

Communication

with Brake

System Control

Module

o

-

-

-

Air
Conditioning
Amplifier

B1499*1

Multiplex

Communication

Circuit

-

-

o

-

HINT:



o: DTC is memorized.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra