Lexus ES manuals

Lexus ES: Lost Communication with TCM (U0101,U0122,U0142,U0155,U0327,U1117)

Lexus ES (XZ10) Service Manual / Vehicle Interior / Door / Hatch / Power Trunk Lid System (for Hv Model) / Lost Communication with TCM (U0101,U0122,U0142,U0155,U0327,U1117)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0101

Lost Communication with TCM

Communication malfunction detected between luggage closer motor assembly and ECM
  • CAN communication system
  • ECM
  • Luggage closer motor assembly

U0122

Lost Communication With Vehicle Dynamics Control Module

Communication malfunction detected between luggage closer motor assembly and brake actuator assembly (skid control ECU)
  • CAN communication system
  • Brake actuator assembly (skid control ECU)
  • Luggage closer motor assembly

U0142

Lost Communication With Body Control Module "B"

Communication malfunction detected between luggage closer motor assembly and main body ECU (multiplex network body ECU)
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Luggage closer motor assembly

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

Communication malfunction detected between luggage closer motor assembly and combination meter assembly
  • CAN communication system
  • Combination meter assembly
  • Luggage closer motor assembly

U0327

Lost Communication with Vehicle Security Control Module

Communication malfunction detected between luggage closer motor assembly and certification ECU (smart key ECU assembly)
  • CAN communication system
  • Certification ECU (smart key ECU assembly)
  • Luggage closer motor assembly

U1117

Lost Communication with Accessory Gateway

Communication malfunction detected between luggage closer motor assembly and bus buffer ECU
  • CAN communication system
  • Bus buffer ECU
  • Luggage closer motor assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Back Door / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > Back Door > Clear DTCs

(f) Check for DTCs.

Body Electrical > Back Door > Trouble Codes

HINT:

If DTCs related to a malfunction in the CAN communication system are output, refer to "How to Proceed with Troubleshooting" for the CAN communication system.

Click here

OK:

DTC U0101, U0122, U0142, U0155, U0327 and U1117 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

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