DTC U0129: Lost Communication with Skid Control ECU [11/2013 - ]: Procedure

CONFIRM DTC OUTPUT

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the tester on.
Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR [11/2013 - ] .
Clear the DTC. Refer to DTC CHECK / CLEAR [11/2013 - ] .

Recheck for DTC. Refer to DTC CHECK / CLEAR [11/2013 - ] .

Result

Result	Proceed to
DTC output	A
DTC not output	B

B → See step 3

A → See step 2

GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2013 - ]
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2013 - ]