DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0142-87: Lost Communication with Body Control Module "B" Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0327-87: Software Incompatibility with Vehicle Security Control Module Missing Message [08/2021 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

CLEAR DTC

Clear the DTCs.

Body Electrical > Back Door > Clear DTCs

Result

Proceed to
NEXT

Result:

See step 2

DTC REPRODUCTION TEST

Wait for approximately 10 seconds.

Result

Proceed to
NEXT

Result:

See step 3

CHECK FOR DTC

Check for DTCs.

Body Electrical > Back Door > Trouble Codes

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

Result:

GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]