Toyota Tundra Service Manual: Multiplex Communication Circuit (B1499/99)

DESCRIPTION

This DTC outputs when CAN communication error is occurred.

DTC Code	DTC Detection Condition	Trouble Area
B1499/99	Open in CAN communication circuit	CAN communication system

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTC (see page ).

(b) Check for the DTC (see page ).

Result

Result	Proceed to
DTC B1499/99 is output	A
DTC B1499/99 is not output	B

GO TO CAN COMMUNICATION SYSTEM

USE SIMULATION METHOD TO CHECK

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Engine Immobiliser System Malfunction (B2799)
DESCRIPTION The ECM stores this DTC when a communication line between the ECM and transponder key ECU assembly is malfunctioning or the communication ID of the ECM and transponder key ECU assembly do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2799 Engine Immobiliser ...

Toyota Tundra Owners Manual