DTC U0100, U0129, U0131, U0142, U0164, U1104, U1111: Lost Communication with ECM/PCM "A"; Lost Communication with Brake System Control Module; Lost Communication with Power Steering Control Module; Lost Communication with Gateway "A"; Lost Communication with HVAC Control Module; Lost Communication with Driving Support ECU; Lost Communication with Front Controller Module: Procedure
WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR DTC (CAN COMMUNICATION SYSTEM)
- Check for DTCs related to the CAN communication system. Refer to DIAGNOSIS SYSTEM
.
OK
DTC is not output.
NG → See step 2
OK → END
- Check for DTCs related to the CAN communication system. Refer to DIAGNOSIS SYSTEM
.
- GO TO CAN COMMUNICATION SYSTEM. Refer to PRECAUTION