DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Body Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC 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 cannot receive and recognize certain signals via the CAN communication system.
- *1: w/o Side Monitor System
- *2: w/ Side Monitor System
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| U0100 | A problem with the engine information signal from the ECM. | CAN communication system |
| U0140 | A problem with the vehicle information signal from the main body ECU (multiplex network body ECU). | CAN communication system |
| U0142 | A problem with the vehicle 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 |
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.