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 > Rear View Monitor System(for Navigation Receiver Type): Open or Short Circuit in Back Camera Signal (C1622)
DESCRIPTION This DTC is stored if the navigation receiver assembly judges as a result of its self check that the signals or signal lines between the navigation receiver assembly and the television camera assembly are not normal. DTC Code DTC Detection Condition Trouble Area C1622 Open or Short Circu ...

Toyota Tundra Owners Manual