Toyota Tacoma (2015-2018) Service Manual: Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)
DESCRIPTION
These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication system.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
U0100 |
Lost Communication with ECM / PCM "A" |
CAN communication system |
|
U0101 |
Lost Communication with TCM |
|
|
U0142 |
Lost Communication with Body Control Module "B" |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) |
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page .gif)
).
(b) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
DTCs (CAN communication system DTC) are output |
A |
|
No DTCs are output |
B |
| A | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
| B | |
USE SIMULATION METHOD TO CHECK |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Intuitive Parking Assist System
DTC Code
Detection Item
See page
C1AE6
Rear Left Sensor Malfunction
...
Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION
The No. 1 ultrasonic sensor (rear center sensor RH) is installed on the rear
bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic
sensor (rear center ...
Other materials:
Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the stereo component amplifier
assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15A3
When one of the conditions below is met:
Internal power supply malfun ...
Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communication system
U0100
...
Registration
REGISTRATION
CAUTION / NOTICE / HINT
HINT:
Register a new recognition code when replacing the door control transmitter
module set sub-assembly or the door control receiver.
Add mode is used to retain the already registered codes while registering
a new recognition code. This m ...
