Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is indicated while checking DTCs, inspect the circuit listed for that code in the table below, and proceed to the applicable page.
Cruise Control System|
DTC Code |
Detection Item |
MIL |
See page |
|---|---|---|---|
|
P057113 |
Brake Switch "A" Circuit Open |
Does not come on |
|
|
P057162 |
Brake Switch "A" Signal Compare Failure |
Does not come on |
|
|
P057504 |
Cruise Control System Internal Failure |
Does not come on |
|
|
P057549 |
Cruise Control Internal Electronic Failure |
Does not come on |
|
|
P157800 |
Brake System |
Does not come on |
|
|
P160700 |
Cruise Control Input Processor |
Comes on |
|
|
U012287 |
Lost Communication with Vehicle Dynamics Control Module Missing Message |
Does not come on |
|
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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 the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
m ...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the oil pump relief valve with engine oil and check that it
falls smoothly into the valve hole by its own weight.
If the valve does not fall smoothly, replace the timing chain cover assembly.
...
Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1421
Open or Short in Master Cylinder Pressure Sensor
Any of the following is detected:
When voltage at terminal +BS is 9.5 V or ...
Yaw Rate Sensor (C1A46)
DESCRIPTION
If the millimeter wave radar sensor assembly receives a yaw rate sensor malfunction
signal from the yaw rate sensor (airbag sensor assembly) or yaw rate sensor zero
point malfunction signal from the skid control ECU (master cylinder solenoid)*1
or skid control ECU (brake actuator ...
