Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,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 |
| 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 that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen. HINT: The cert ...
Noise Occurs
PROCEDURE 1. CHECK NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Parking Assist Monitor System: Diagnosis System
DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio receiver assembly can be checked and the parking assist monitor system can be calibrated, adjusted and checked using the multi-display. NOTICE: D ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Occupant Classification System Malfunction (B1650,B165A)
DESCRIPTION The airbag sensor assembly and occupant detection ECU communicate via CAN communication. When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129, the airbag sensor assembly receives this information and stores DTC B1650. When the occupant detec ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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