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DTC B1798: Yaw Rate Sensor Module Malfunction; DTC B1799: Vehicle Stability Control ECU Malfunction [12/2017 - 10/2020]: Description

The occupant detection ECU receives signals from the yaw rate sensor and skid control ECU assembly*1 or brake actuator assembly*2 via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1798 Yaw Rate Sensor Module Malfunction Acceleration signals are abnormal
  • Electronically controlled brake system
  • CAN communication system
  • Occupant detection ECU
B1799 Vehicle Stability Control ECU Malfunction Vehicle speed signal from skid control ECU assembly*1 or brake actuator assembly*2 is abnormal
  • Electronically controlled brake system
  • CAN communication system
  • Occupant detection ECU

*1: w/o Vacuum Brake Booster

*2: w/ Vacuum Brake Booster

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