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:
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
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
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:
DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in
DESCRIPTION This circuit is used to send and receive signals between the DCM (Telematics Transceiver), radio receiver assembly and navigation ECU. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) (a) Disconnect the G128 DCM (T
© 2016-2026 Copyright www.lexguide.net
