Dtc U0129 Lost Communication With Skid Control Ecu

Body Electrical. Camry. Acv40 Gsv40
Meter. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM DTC OUTPUT

DTC U0129 Lost Communication with Skid Control ECU


DESCRIPTION

The combination meter assembly communicates with the ABS and traction actuator assembly (skid control ECU) via the CAN communication lines (CAN No. 1 Bus).

DTC No.
DTC Detection Conditions
Trouble Areas
U0129
When either of following conditions detected:
  1. 15 seconds have elapsed since engine started and IG voltage 10.5 V or more
  2. No communication with ABS and traction actuator (skid control ECU) continues for 3 seconds or more (No communication with ECM or skid control ECU continues for 60 seconds or more)
  1. ABS and traction actuator assembly (Skid control ECU)
  2. CAN communication system

WIRING DIAGRAM


Camry. Acv40 Gsv40.Meter.Meter / Gauge System.
Dtc
  U0129  Lost Communication With Skid Control Ecu


INSPECTION PROCEDURE

1.CONFIRM DTC OUTPUT
  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Turn the tester on.

  1. Clear the stored DTCs by selecting the following menu items on the tester: Diagnosis / OBD / MOBD / Combination Meter / DTC Info / Clear Codes.

  1. Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.

  1. Stop the vehicle.

  1. Check for DTCs (CAMRY_ACV40 RM000000WIB05NX.htmlfor LHD, CAMRY_ACV40 RM000000WIB05SX.html) for RHD).

    Result:
    Result
    Proceed to
    DTC output
    A (CAMRY_ACV40 RM000000WI605LX.htmlfor LHD, CAMRY_ACV40 RM000000WI605KX.html for RHD)
    DTC not output
    B


B
USE SIMULATION METHOD TO CHECK
A

GO TO CAN COMMUNICATION SYSTEM