Toyota Tacoma (2015-2018) Service Manual: Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0142)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other systems.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
U0100 |
Lost communication with ECM |
CAN communication system |
|
U0126 |
Lost communication with steering sensor |
|
|
U0129 |
Lost communication with skid control ECU (brake actuator assembly) |
|
|
U0142 |
Lost communication with main body ECU (driver side junction block assembly) |
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(b) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
DTCs are output |
A |
|
No DTCs are output |
B |
HINT:
- If CAN communication system DTCs are stored, they may also be stored for other systems.
- If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.
- If these DTCs are output frequently, duplicate the conditions that cause
the problem symptoms and perform the inspection again, even though the DTC
was not output when rechecking for DTCs (See page
).
| A | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
| B | |
USE SIMULATION METHOD TO CHECK |
Lost Communication with Blind Spot Monitor Slave Module (U0232)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH judges that there is
a communication problem with the blind spot monitor sensor RH.
DTC Code
DTC Detectio ...
Short to +B in Buzzer (C1ABD,C1ABE)
DESCRIPTION
DTC C1ABD is stored when the blind spot monitor sensor RH detects a
+B short in rear cross traffic alert buzzer (blind spot monitor buzzer)
circuit.
DTC C1ABE is stored ...
Other materials:
Air Outlet Damper Position Sensor Circuit (B1433/33)
DESCRIPTION
This sensor detects the position of the mode damper and sends the appropriate
signals to the air conditioning amplifier assembly. The position sensor is built
into the No. 1 air conditioning radiator damper servo sub-assembly (for mode switching).
DTC No.
DTC ...
Components
COMPONENTS
ILLUSTRATION
*A
for Driver Side
-
-
*1
FRONT SEAT CUSHION HEATER ASSEMBLY
*2
SEPARATE TYPE FRONT SEAT CUSHION COVER
*3
TAG PIN
-
-
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure listed to troubleshoot the touch select
2-4 and high-low system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
