Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Pre-collision System|
DTC No. |
Detection Item |
Link |
|---|---|---|
|
C1A02 |
Vehicle Information Not Obtained |
|
|
C1A10 |
Front Radar Sensor |
|
|
C1A11 |
Front Radar Sensor Incorrect Axial Gap |
|
|
C1A14 |
Front Radar Sensor Beam Axis Not Adjusted |
|
|
C1A46 |
Yaw Rate Sensor |
|
|
C1A47 |
Steering Angle Sensor |
|
|
C1A4A |
Skid Control Buzzer Circuit |
|
|
C1A4B |
Stop Light Relay Circuit |
|
|
C1A50 |
Brake System Malfunction |
|
|
C1A63 |
Other System Malfunction |
|
|
C1A69 |
Brake Control Signal Mismatch |
|
|
C1AA0 |
Front Camera Module Circuit |
|
|
C1AA8 |
Front Camera Module Incorrect Axial Gap |
|
|
C1AA9 |
Front Camera Module Beam Axis Not Adjusted |
|
|
C1AAE |
Heater Circuit |
|
|
U0100 |
Lost Communication with ECM / PCM "A" |
|
|
U0125 |
Lost Communication with Yaw Rate Sensor Module |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
|
U0129 |
Lost Communication with Brake System Control Module |
|
|
U0235 |
Lost Communication with Cruise Control Front Distance Range Sensor |
|
|
U023A |
Lost Communication With Image Processing Module "A" |
|
|
U1002 |
Lost Communication with Gateway Module |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when decidi ...
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the pre-collision system, a message will be
displayed on the multi-information display and the pre-collision system will be
di ...
Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.
PROCEDURE
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows t ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the front occupant classification sensor RH when an accident
occurs.
DTC B1786 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
