Lexus ES manuals

Lexus ES: Lost Communication with ECM / PCM "A" (U0100,U0126,U0140,U0163,U0233,U1110)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Assist Monitor System (for Gasoline Model) / Lost Communication with ECM / PCM "A" (U0100,U0126,U0140,U0163,U0233,U1110)

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly.

HINT:

If CAN communication system DTCs are stored, they may also be stored in other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0100

Lost Communication with ECM / PCM "A"

Lost Communication with ECM

CAN communication system

U0126

Lost Communication with Steering Angle Sensor Module

Lost communication with steering sensor

CAN communication system

U0140

Lost Communication with Body Control Module

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

U0163

Lost Communication with Navigation Control Module

Lost communication with radio receiver assembly

CAN communication system

U0233

Lost Communication with Blind Spot Monitor Master Module

Lost communication with blind spot monitor sensor RH

CAN communication system

U1110

Lost Communication with Intuitive Parking Assist Module

Lost communication with clearance warning ECU assembly

CAN communication system

PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Chassis > Rear Camera > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Chassis > Rear Camera > Trouble Codes

HINT:

  • If CAN communication system DTCs are stored, they may also be stored in other systems.
  • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.

    Click here

Result

Proceed to

DTCs are output

A

No DTCs are output

B

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

READ NEXT:

 CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area U1000

 Parking Assist Monitor System (for Hv Model)

 Black Screen

DESCRIPTION The video signal from the rear television camera assembly is transmitted to the multi-display assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the cable was disconnected fro

SEE MORE:

 Internal Control Module Software Incompatibility Invalid / Incompatible Software Component (U030057)

DESCRIPTION Forward recognition camera receives the vehicle information from the hybrid vehicle control ECU via CAN communication. DTC U030057 is stored when the vehicle information from the hybrid vehicle control ECU and that stored in the forward recognition camera do not match. DTC No. Detec

 Reassembly

REASSEMBLY PROCEDURE 1. INSTALL REAR BUMPER REINFORCEMENT (a) Install the rear bumper reinforcement with the 6 bolts. Torque: 35 N·m {357 kgf·cm, 26 ft·lbf} 2. INSTALL REAR BUMPER PROTECTOR INSERT LH (a) Engage the guide and claw to install the rear bumper protector insert LH.

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