Lexus ES manuals

Lexus ES: Lost Communication with Brake System Control Module (U0129)

DESCRIPTION

The tire pressure warning ECU and receiver receives signals from the skid control ECU (brake actuator assembly) via CAN communication system.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

U0129

Lost Communication with Brake System Control Module

Lost communication with skid control ECU (brake actuator assembly)

  • CAN communication system
  • Skid control ECU (Brake actuator assembly)

-

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

NEXT

END

READ NEXT:

 Tire Pressure Warning Light Circuit

DESCRIPTION If the tire pressure warning ECU and receiver detects any problems, the tire pressure warning light blinks for 1 minute then illuminates, and tire pressure monitoring is disabled at the sa

 Tire Position Not Identified

DESCRIPTION The tire pressure warning ECU and receiver identifies the tire position for each tire pressure warning valve and transmitter according to the wheel speed signals from the skid control ECU

 Cannot Switch to Automatic ID Registration Mode

DESCRIPTION When "Change Wheel Set" is selected on the multi-information display and the "OK" switch (steering pad switch assembly) is pushed and held, the system enters ID registration mode and the t

SEE MORE:

 Vehicle Behavior Chart

VEHICLE BEHAVIOR CHART VEHICLE BEHAVIOR CHART (a) Vehicle behavior categorized by DTC If a DTC is output, the vehicle behaves as follows. DTC No. Detection Item Vehicle Behavior when DTC is Output P056014 System Voltage (BATT) Circuit Short to Ground or Open - P060647 Hybrid/EV

 Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U016487,U029387,U115187)

DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With ECM/PCM "A" Missing Message Stereo component equalizer assembly detects CAN communication malfunc

© 2016-2026 Copyright www.lexguide.net