Lexus IS250 IS220d GSE20 ALE20 - PRE-CRASH SAFETY
DTC U0100 Lost Communication with ECM/PCM "A"
DTC U0122 Lost Communication with Vehicle Dynamics Control Module
DTC U0146 Lost Communication with Gateway "A"
DTC U0151 Lost Communication with Airbag ECU
DTC U1101 Lost Communication with Distance Control ECU
DESCRIPTION
The seat belt control ECU receives signals from the skid control ECU, gateway ECU, center airbag sensor assembly, distance control ECU via the CAN communication system.
The distance control ECU receives signals from the ECM via the CAN communication system.
| DTC No. | DTC Detection Item | Inspection Area |
| U0100 | ECM communication error | CAN communication system ECM Distance control ECU |
| U0122 | Skid control ECU communication error | CAN communication system Skid control ECU Seat belt control ECU |
| U0146 | Gateway ECU communication error | CAN communication system Gateway ECU Seat belt control ECU |
| U0151 | Center airbag sensor communication error | CAN communication system Center airbag sensor assembly Seat belt control ECU |
| U1101 | Distance control ECU communication error | CAN communication system Distance control ECU Seat belt control ECU |
- HINT:
- When two or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
INSPECTION PROCEDURE
Refer to the U0100 (CAN communication system (LHD)) .
Refer to the U0100 (CAN communication system (RHD)) .
Refer to the U0122 (CAN communication system (LHD)) .
Refer to the U0122 (CAN communication system (RHD)) .
Refer to the U0146 (CAN communication system (LHD)) .
Refer to the U0146 (CAN communication system (RHD)) .
Refer to the U0151 (CAN communication system (LHD)) .
Refer to the U0151 (CAN communication system (RHD)) .
Refer to the U1101 (CAN communication system (LHD)) .
Refer to the U1101 (CAN communication system (RHD)) .