Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

LIN Communication System

DTC Code	Detection Item	See page
B1206	P/W Master Switch Communication Stop
B1273	Sliding Roof ECU Communication Stop
B2321	Driver Side Door ECU Communication Stop
B2322	Front Passenger Side Door ECU Communication Stop
B2325	LIN Communication Bus Malfunction

Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Four Wheel Drive (4WD) Range Signal Circuit Range / Performance (P279E)
DESCRIPTION This DTC is detected if the transfer position switch 2-4 terminal and LO terminal signals are simultaneously received. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area P279E Ignition switch is ON and engine is running 2-4 termina ...

Toyota Tundra Owners Manual