DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U014087: Lost Communication with Body Control Module Missing Message; DTC U015587: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U029387: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message [07/2022 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Road Sign Assist > Clear DTCs 

2. Make sure that the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the system cannot detect the malfunction.

3. Check for DTCs.

   Body Electrical > Road Sign Assist > Trouble Codes 

   Result

   Result	Proceed to
   DTC U012587, U012987, U014087, U015587 and U029387 are not output	A
   DTC U012587, U012987, 014087, U015587 or U029387 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]