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Lost Communication with Yaw Rate Sensor Module








BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: U0073/94,U0123/62,U0124/95,U0126/63,U0128/13,U0130/68,U0131/67,U0293/59,U1108/21,U1109/22: Control Module Communication Bus OFF

DTC U0073/94 - Control Module Communication Bus OFF

DTC U0123/62 - Lost Communication with Yaw Rate Sensor Module

DTC U0124/95 - Lost Communication with Lateral Acceleration Sensor Module

DTC U0126/63 - Lost Communication with Steering Angle Sensor Module

DTC U0128/13 - Lost Communication with Park Brake Control Module

DTC U0130/68 - Lost Communication with Steering Effort Control Module

DTC U0131/67 - Lost Communication with Power Steering Control Module

DTC U0293/59 - Communication Error from HV ECU

DTC U1108/21 - Lost Communication with Front Active Stabilizer ECU

DTC U1109/22 - Lost Communication with Rear Active Stabilizer ECU

DESCRIPTION

The skid control ECU communicates with the hybrid vehicle control ECU, power steering ECU, steering control ECU, electric parking brake ECU, front active stabilizer control ECU, rear active stabilizer control ECU, steering angle sensor and yaw rate and acceleration sensor via the CAN communication system.










INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result





HINT: The CAN communication system must be normal when repairing the sensor DTCs (for ABS, VSC and electronically controlled brake system).

NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)
OK -- USE SIMULATION METHOD TO CHECK