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) 2016-2023 Repair Manual > Fuel Lid Opener Motor Assembly: Components
COMPONENTS ILLUSTRATION *A w/o Rear No. 2 Seat *B for TMC Made *C for TMMC Made - - *1 DECK BOARD ASSEMBLY *2 DECK SIDE TRIM BOX RH *3 FRONT DECK FLOOR BOX *4 REAR DECK FLOOR BOX *5 REAR FLOOR FINISH PLATE *6 REAR NO. 3 FLOOR BOARD *7 REAR NO. ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Power Steering System: Short in Motor Circuit (C1521-C1523,C1528,C1531-C1555)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1521 Short in Motor Circuit Motor overcurrent Power steering ECU assembly EPS warning light: Comes on Engine switch on (IG) again - C1522 Pow ...