Toyota Venza: Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly (skid control ECU) via the CAN communication system.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
U0100 |
Lost communication with ECM/PCM "A" |
|
|
U0129 |
Lost communication with brake system control module |
|
PROCEDURE
|
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Clear the DTCs (See page .gif)
).
(b) Check for DTCs (See page ).
OK:
DTC is not output.
| OK | .gif) |
CHECK INTERMITTENT PROBLEMS |
| NG | |
GO TO CAN COMMUNICATION SYSTEM |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING EFFORT (TORQUE)
NOTICE:
Some of these service operations may affect the SRS airbags. Read the precautionary
notices concerning the SRS airbag sy ...
Assist Map Number Mismatch (C1582)
DESCRIPTION
When an incorrect ECM or brake actuator assembly (skid control ECU) is installed
after the assist map has been recorded in the power steering ECU, then DTC C1582
is stored because the ...
Other materials about Toyota Venza:
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
...
Headlight Solenoid Circuit
DESCRIPTION
for HID Headlight:
When the main body ECU receives a high beam turn on signal, the main
body ECU activates the bi-function by controlling the BI-XENON relay. The
bi-function increases the upper illumination area of the discharge ...
Lost Communication with Rear Airbag Sensor RH (B1632/81,B1633/81,B1642/81,B1692/81,B1693/81)
DESCRIPTION
The side collision sensor RH circuit (to determine deployment of the front seat
side airbag assembly RH and curtain shield airbag assembly RH) is composed of the
center airbag sensor assembly, rear airbag sensor RH and side airbag sensor RH.
...
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