Lexus NX: Lost Communication with ECM / PCM "A" (U0100-U0142,U0155,U0163,U0293)

Lexus NX Service Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning System / Lost Communication with ECM / PCM "A" (U0100-U0142,U0155,U0163,U0293)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

U0100

Lost Communication with ECM / PCM "A"

No communication with ECM

  • CAN communication system
  • ECM

-

-

U0131

Lost Communication with Power Steering Control Module

No communication with power steering ECU assembly

No communication with ECM

  • CAN communication system
  • Power steering ECU assembly
  • CAN communication system
  • ECM

-

-

U0142

Lost Communication with Body Control Module "B"

No communication with main body ECU

  • CAN communication system
  • Main body ECU (multiplex network body ECU)

-

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

No communication with combination meter

  • CAN communication system
  • Combination meter assembly

-

-

U0163

Lost Communication with Navigation Control Module

No communication with radio receiver assembly

  • CAN communication system
  • Radio receiver assembly

-

-

U0293

Lost Communication with HV ECU

No communication with hybrid vehicle control ECU

  • CAN communication system
  • Hybrid vehicle control ECU

-

-

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTC.

Click here

Body Electrical > Air Conditioner > Clear DTCs

(b) Check for DTC.

Click here

Body Electrical > Air Conditioner > Trouble Codes

Result

Proceed to

DTC U0100, U0131, U0142, U0155, U0163 and U0293 are not output

A

DTC U0100, U0131, U0142, U0155, U0163 and/or U0293 are output

B

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

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COMPONENTS ILLUSTRATION *1 CLEARANCE LIGHT ASSEMBLY LH *2 CLEARANCE LIGHT ASSEMBLY RH *3 FRONT BUMPER GUARD ASSEMBLY *4 HOOD TO FRONT END PANEL SEAL *5 NO. 3 ENGINE ROOM WIRE *6 RADIATOR GRILLE SUB-ASSEMBLY *7 OUTSIDE MOULDING RETAINER - - ILLUSTRATION

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