Toyota Tacoma (2015-2018) 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.
Lighting system|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B1244 |
Light Sensor Circuit Malfunction |
|
|
B124B |
Automatic High Beam System |
|
|
B124C |
Automatic High Beam Camera |
|
|
U023A |
Lost Communication With Image Processing Module "A" |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows values or states of switches,
sensors, actuators and other items to be read without removing any parts ...
Automatic High Beam System (B124B)
DESCRIPTION
The main body ECU (multiplex network body ECU) determines the status of the automatic
high beam system based on the automatic high beam system signal from the forward
recognition came ...
Other materials:
Malfunction of ID-BOX Recognition (B278D)
DESCRIPTION
When the certification ECU (smart key ECU assembly) detects an input signal indicating
that the vehicle is equipped with an ID code box even though the ID code box is
not registered, the certification ECU (smart key ECU assembly) stores this DTC.
DTC Code
DTC ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING WITH THE TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current settings before customizing.
When troublesh ...
VSC Buzzer Circuit
DESCRIPTION
The skid control ECU (master cylinder solenoid) is connected to the combination
meter via CAN communication.
The combination meter has a built-in VSC warning buzzer:
Sounds intermittently to inform the driver if the temperature of hydraulic
brake booster has increased exc ...
