Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0140,U0163,U0233,U1110)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly.
HINT:
If CAN communication system DTCs are stored, they may also be stored in other systems.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | Lost Communication with ECM | CAN communication system |
| U0126 | Lost Communication with Steering Angle Sensor Module | Lost communication with steering sensor | CAN communication system |
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU | CAN communication system |
| U0140 | Lost Communication with Body Control Module | Lost communication with main body ECU (multiplex network body ECU) | CAN communication system |
| U0163 | Lost Communication with Navigation Control Module | Lost communication with radio receiver assembly | CAN communication system |
| U0233 | Lost Communication with Blind Spot Monitor Master Module | Lost communication with blind spot monitor sensor LH | CAN communication system |
| U1110 | Lost Communication with Intuitive Parking Assist Module | Lost communication with clearance warning ECU assembly | CAN communication system |
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here .gif)
(b) Recheck for DTCs and check that no DTCs are output.
Click here
HINT:
- If CAN communication system DTCs are stored, they may also be stored in other systems.
- If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
-
If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even if the DTCs were not output when rechecking for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTCs are output | A |
| No DTCs are output | B |
| A |  | GO TO CAN COMMUNICATION SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
Steering Angle Initialization Incomplete (C1694)
DESCRIPTION This DTC is stored when the rear television camera assembly judges that the maximum steering angle has not been memorized (steering angle setting is incomplete). DTC No. Detection Ite ...
CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area U1000 ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Brake Flexible Hose: Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
Because the left and right rear flexible hoses are not interchangeable, verify the part number when installing the rear flexible hoses.
When reusing the rear flexible hoses, use the identification marks created during removal to install each rear fle ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Seat Side Airbag Assembly (for Captain Seat Type): On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the rear seat airbag assemblies. PROCEDURE 1. INSPECT REAR SEAT AIRBAG ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here ...
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
0.0111