Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Differential System (w/ Differential Lock)|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
P163B |
4WD ECU Malfunction |
|
|
P17BB |
Rear Differential Lock Position SW Stuck OFF |
|
|
P17BC |
Rear Differential Lock Position SW Stuck ON |
|
|
P17C0 |
Rear Differential Lock Solenoid Circuit Low |
|
|
P17C1 |
Rear Differential Lock Solenoid Circuit High |
|
|
P17CC |
Rear Differential Lock Control SW Stuck ON |
|
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
|
|
U0416 |
Invalid Data Received from Vehicle Dynamics Control Module |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
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 ...
Invalid Data Received from Vehicle Dynamics Control Module (U0416)
DESCRIPTION
This DTC is detected if a wheel speed malfunction signal is sent from the skid
control ECU (brake actuator assembly).
DTC No.
Detection Item
DTC Detect ...
Other materials:
Pressure Sensor or Switch (C1254)
DESCRIPTION
The accumulator pressure sensor is connected to the skid control ECU in the master
cylinder solenoid.
DTC No.
DTC Detecting Condition
Trouble Areas
C1254
Accumulator pressure sensor fault
(Fluid pressure does not chang ...
Transfer Shift Motor Limit Switch Circuit (P17AC)
DESCRIPTION
When the transfer switches modes, the TL1, TL2 and TL3 terminals of the limit
switch are in one of the ON/OFF combinations listed in the table below.
Terminal
When 2WD
Switching between 2WD and H4
When H4
Switching between H4 and ...
Hydraulic Test
HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
CAUTION:
The line pressure test should always be performed with at least 2 people. One
person should observe the condition of the wheels and wheel chocks while the other
is performing the test.
NOTICE:
Perform ...
