DTC U0134: Lost Communication with DRS Module; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message [10/2020 - 10/2023]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
U0134	Lost Communication with DRS Module	Communication stop occurs between the rear steering control ECU and ECU or sensor outputs DTC(s)	Rear steering control ECU Rear steering control ECU CAN branch wire or connector	DTC Output from Rack and pinion power steering gear assembly Skid control ECU assembly (skid control ECU) (w/o Vacuum Brake Booster) Front steering control ECU (w/ Variable Gear Ratio Steering System)
U0134-87	Lost Communication with Power Steering Control Module Rear Missing Message	Communication stop occurs between the rear steering control ECU and ECU or sensor outputs DTC(s)	Rear steering control ECU Rear steering control ECU CAN branch wire or connector	DTC Output from Brake actuator assembly (skid control ECU) (w/ Vacuum Brake Booster)