LEXUS PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:U0142, U0155
| DTC Code | DTC Name |
|---|---|
| U0142 | Lost Communication with Main Body ECU |
| U0155 | Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) |
DESCRIPTION
These DTCs are stored when the clearance warning ECU*1 or parking assist ECU*2 can not receive and recognize several signals via the CAN communication system.
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*1: w/o Parking Assist Monitor System
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*2: w/ Parking Assist Monitor System
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U0142 | A problem with the destination information signal from the main body ECU (multiplex network body ECU) | CAN communication system |
| U0155 | A problem with the vehicle speed information signal from the combination meter assembly | CAN communication system |
Tech Tips
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
INSPECTION PROCEDURE
PROCEDURE
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CHECK DTC OUTPUT
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Clear the DTCs Click here.
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Check for DTCs Click here.
Result Result Proceed to DTC (CAN communication system DTC) is output A No DTC is output B
B 
USE SIMULATION METHOD TO CHECK Click here
A 
GO TO CAN COMMUNICATION SYSTEM Click here
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