Lost Communication With Steering Angle Sensor Module - Active Torque Control 4WD System
DIFFERENTIAL: ACTIVE TORQUE CONTROL 4WD SYSTEM: U0073/86: Control Module Communication Bus OFF
DTC U0073/86 - Control Module Communication Bus OFF
DTC U0100/85 - Lost Communication with ECM / PCM "A"
DTC U0126/84 - Lost Communication with Steering Angle Sensor Module
DTC U0129/83 - Lost Communication with Brake System Control Module
DESCRIPTION
- The 4WD control ECU inputs the signals sent from the ECM, skid control ECU, and steering angle sensor via the CAN communication system.
- When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Check for DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Record the output DTC (4WD control system).
HINT: When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
NEXT -- GO TO CAN COMMUNICATION SYSTEM