Lexus NX manuals

Lexus NX: Lost Communication with Brake System Control Module (U0129,U0293,U1104)

Lexus NX Service Manual / Steering / Power Assist Systems / Power Steering System (for Manual Tilt And Manual Telescopic Steering Column) / Lost Communication with Brake System Control Module (U0129,U0293,U1104)

DESCRIPTION

The power steering ECU assembly receives signals from the hybrid vehicle control ECU, skid control ECU(brake booster with master cylinder assembly) and forward recognition camera via the CAN communication system.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

U0129

Lost Communication with Brake System Control Module

Lost communication with skid control ECU (brake booster with master cylinder assembly)
  • CAN communication system
  • Skid control ECU (brake booster with master cylinder assembly)

On

After normal confirmation

U0293

Lost Communication with Hybrid Control Module

Lost communication with hybrid vehicle control ECU
  • CAN communication system
  • Hybrid vehicle control ECU

On

After normal confirmation

U1104

Lost Communication with Driving Support ECU

Lost communication with Forward recognition camera
  • CAN communication system
  • Forward recognition camera

Off

After normal confirmation

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN Communication System.

Click here

NEXT

END

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 Precaution

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 Inspection

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