Toyota Camry owners & service manuals

Toyota Camry (XV70): Lost Communication with Brake System Control Module (U0129)

Toyota Camry Repair Manual XV70 (2018-2024) / Suspension / Tire Pressure Monitoring / Tire Pressure Warning System / 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)

w/ Tire Inflation Pressure Display Function

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

NEXT

END

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     Inspection

    INSPECTION PROCEDURE 1. INSPECT FUEL LID LOCK WITH MOTOR ASSEMBLY (a) Check the operation of the fuel lid lock with motor assembly (motor operation). (1) Apply battery voltage to the fuel lid lock with motor assembly connector, and check the operation of the fuel lid lock with motor assembly.

     Parts Location

    PARTS LOCATION ILLUSTRATION *1 BRAKE ACTUATOR ASSEMBLY - SKID CONTROL ECU *2 ECM *3 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ABS NO. 2 FUSE - - ILLUSTRATION *1 PARKING BRAKE ACTUATOR ASSEMBLY LH *2 PARKING BRAKE ACTUATOR AS

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