Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U1110)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0073 | Sending Malfunction (Navigation to APGS) | CAN bus connection error | CAN communication system |
| U0100 | Engine ECU Communication | CAN reception error | CAN communication system |
| U0129 | VSC(ECB)ECU Communication | CAN reception error | CAN communication system |
| U0140 | Lost Communication with Body Control Module | CAN reception error | CAN communication system |
| U0155 | Meter ECU Communication | CAN reception error | CAN communication system |
| U0164 | Air Conditioner ECU Communication | CAN reception error | CAN communication system |
| U0198 | Lost Communication with Telematic Control Module | CAN reception error | CAN communication system |
| U023B | Lost Communication with Image Processing Module "B" | CAN reception error | CAN communication system |
| U0265 | Lost Communication with Image Processing Sensor A | CAN reception error | CAN communication system |
| U1110 | Clearance Sonar ECU Communication | CAN reception error | CAN communication system |
PROCEDURE
| 1. | CHECK DTC (CAN COMMUNICATION SYSTEM) |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Turn the engine switch off.
(c) Turn the engine switch on (IG) and wait for 30 seconds.
(d) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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