Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication With ECM/PCM "A" Missing Message (U010087,U012587,U012987,U014087)
DESCRIPTION
These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U010087 | Lost Communication With ECM/PCM "A" Missing Message | The forward recognition camera does not receive data from the ECM for approximately 5 seconds or more. |
| Forward recognition camera |
| U012587 | Lost Communication With Multi-axis Acceleration Sensor Module Missing Message | The forward recognition camera does not receive data from the yaw rate sensor assembly*1 or airbag sensor assembly*2 for approximately 5 seconds or more. |
| Forward recognition camera |
| U012987 | Lost Communication with Brake System Control Module Missing Message | The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for approximately 5 seconds or more. |
| Forward recognition camera |
| U014087 | Lost Communication with Body Control Module Missing Message | The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for approximately 5 seconds or more. |
| Forward recognition camera |
- *1: for TFT Meter Type
- *2: for Optitron Meter Type
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 / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs
|
.gif)
| 2. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 10 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
(f) Check for DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble CodesOK:
DTCs are not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
LED Headlight LH (B2430,B2431)
DESCRIPTION These DTCs are stored when the low beam headlights do not illuminate, or a communication malfunction is detected between the headlight assembly and main body ECU (multiplex network body EC ...
Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
DESCRIPTION The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lexus Enform System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary (w/ SXM Function).
If the DCM (telematics transceiver) has been replaced, perform the DCM Activation procedure.
...
Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Using the driving support
systems: PCS
(Pre-Collision System)
The pre-collision system uses a radar sensor and camera sensor to
detect
vehicles and pedestrians in front of your vehicle. When the system determines
that the possibility of a frontal collision with a vehicle or pedestrian is
high, a
warning operates to urge the driver to take evasive action ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0132