Lexus NX: Lost Communication with Main Body ECU (U0142,U0208)

DESCRIPTION

The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU) and front power seat switch via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0142

Lost Communication with Main Body ECU

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

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

U0208

Lost Communication with "Seat Control Module A"

Lost communication with front power seat switch

  • CAN communication system
  • Front power seat switch LH

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN Communication System.

Click here

NEXT

END

READ NEXT:

 Actuator Power Source Circuit

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 Tilt and Telescopic Manual Switch Circuit

DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in

 IG Power Source Circuit

DESCRIPTION When the power switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. The multiplex tilt and telescopic ECU also rece

SEE MORE:

 Removal

REMOVAL PROCEDURE 1. REMOVE BACK DOOR CENTER GARNISH Click here 2. REMOVE BACK DOOR SIDE GARNISH LH Click here 3. REMOVE BACK DOOR SIDE GARNISH RH HINT: Use the same procedure described for the LH side. 4. REMOVE BACK DOOR TRIM BASE (w/ Power Back Door) Click here 5. REMOVE PULL HANDLE (w/ Pow

 Parts Location

PARTS LOCATION ILLUSTRATION *1 HEADLIGHT ECU SUB-ASSEMBLY LH *2 HEADLIGHT ECU SUB-ASSEMBLY RH *3 HEADLIGHT ASSEMBLY LH - HEADLIGHT UNIT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH - HEADLIGHT UNIT ASSEMBLY RH *5 ENGINE ROOM RELAY BLOCK - H-LP LH/DIMMER (HI) RELAY - H-LP MAIN LH/H-

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