Dtc U0129 Lost Communication With Skid Control Ecu

Vehicle Interior. Yaris. Ncp93, 131
Meter Gauge Display. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM DTC OUTPUT

DTC U0129 Lost Communication with Skid Control ECU


DESCRIPTION

The combination meter assembly receives signals from the skid control ECU through the CAN communication system.

DTC No.
DTC Detecting 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 skid control ECU continues for 3 seconds or more (Communication with neither ECM nor skid control ECU for 60 seconds or more)
  1. Skid control ECU
  2. CAN communication system

WIRING DIAGRAM


Yaris. Ncp93, 131.Meter Gauge Display.Meter / Gauge System (For Sedan). Dtc U0129 Lost Communication With Skid Control Ecu


INSPECTION PROCEDURE

1.CONFIRM DTC OUTPUT

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch ON and turn the tester ON.

  1. Clear the stored DTCs by selecting the following menu items on the tester: Body Electrical / Combination Meter / Trouble Codes.

  1. Start the engine and wait for at least 60 seconds.

  1. Check for DTCs.

    Result:
    Result
    		Proceed to
    DTC output
    		A
    DTC not output
    		B


B
SYSTEM IS OK
A

GO TO CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001D3500JX.html)