Toyota Tundra Service Manual: Destination Information Undefined (C1AB8)

DESCRIPTION

This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.

CAUTION / NOTICE / HINT

NOTICE:

• When checking for DTCs, make sure that the blind spot monitor system is turned on.
• Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE

(a) Check for CAN communication system DTCs.

Click here

OK:

CAN communication system DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

(a) Replace the main body ECU (multiplex network body ECU) with a new one.

Click here

(b) Clear the DTCs.

Click here

(c) Recheck for DTCs and check if the same DTC is output again.

Click here

A

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE)

B

REPLACE BLIND SPOT MONITOR SENSOR RH

C

REPLACE BLIND SPOT MONITOR SENSOR LH