DESCRIPTION
These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
U0073 | Control Module Communication Bus "A" Off | Control module communication bus off | CAN communication system |
U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | Lost communication with the combination meter assembly | CAN communication system |
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
Click here
(b) Check for CAN communication system DTCs
Click here
Result | Proceed to |
---|---|
CAN communication system DTCs are output | A |
No CAN communication system DTCs are output | B |
A | ![]() | GO TO CAN COMMUNICATION SYSTEM |
B | ![]() | USE SIMULATION METHOD TO CHECK |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Smart Access System With Push-button Start (for Start Function): Runnable Signal Malfunction (B2286,P0335)
DESCRIPTION These DTCs are stored when the engine speed signal sent by the ECM via direct line and the engine speed signal sent via CAN communication do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2286 Runnable Signal Malfunction The engine speed s ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the audio and visual system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS
When troubleshooting, check that the problem symptoms ...