| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AYB7 |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - ] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off; 2019 - 2022 MY Avalon [04/2018 - ] | ||
|
DTC |
U0073 |
Control Module Communication Bus Off |
|
DTC |
U0100 |
Lost Communication with ECM / PCM "A" |
|
DTC |
U0101 |
Lost Communication with TCM |
|
DTC |
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
DTC |
U0129 |
Lost Communication with Brake System Control Module |
|
DTC |
U0142 |
Lost Communication with Body Control Module "B" |
|
DTC |
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
|
DTC |
U0242 |
Lost Communication With Headlamp Control Module "B" |
DESCRIPTION
These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly LH and other ECUs.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
U0073 |
Control Module Communication Bus Off |
The headlight ECU sub-assembly LH does not send/receive data. |
CAN communication system |
Headlight ECU sub-assembly LH |
|
U0100 |
Lost Communication with ECM / PCM "A" |
The headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0101 |
Lost Communication with TCM |
The headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
The headlight ECU sub-assembly LH does not receive data from the steering sensor for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0129 |
Lost Communication with Brake System Control Module |
The headlight ECU sub-assembly LH does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0142 |
Lost Communication with Body Control Module "B" |
The headlight ECU sub-assembly LH does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
The headlight ECU sub-assembly LH does not receive data from the combination meter assembly for approximately 30 seconds or more. |
|
Headlight ECU sub-assembly LH |
|
U0242 |
Lost Communication With Headlamp Control Module "B" |
The headlight ECU sub-assembly LH does not receive data from the headlight ECU sub-assembly RH for approximately 10 seconds or more. |
|
Headlight ECU sub-assembly LH |
PROCEDURE
|
1. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
|
|
2. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 35 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(f) Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble Codes
OK:
DTCs are not output.
| OK |
|
| NG |
|
|
|