DTC U0129: Lost Communication with Skid Control ECU: Procedure

CONFIRM DTC OUTPUT

Connect Techstream to the DLC3.
Ignition switch on (IG).
Turn the tester on.
Clear the stored DTCs by selecting the following menu items on the tester: Body Electrical / Trouble Codes.
Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.
Stop the vehicle.

Check for DTCs. Refer to DIAGNOSIS SYSTEM .

Result

Result	Proceed to
DTC is output.	A
DTC is not output.	B

HINT:

If the CAN communication system DTC U129 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0129 first.

B → See step 2

A → See step 3

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING