DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1240-00: Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" [12/2019 - 11/2023] >> Description

DTC C1240-00: Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

The yaw rate sensor has a built-in acceleration sensor.

If the identification ID of the yaw rate sensor is different to that stored in the No. 2 skid control ECU (brake actuator assembly), this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C1240-00 Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" The yaw rate sensor identification information stored in the No. 2 skid control ECU (brake actuator assembly) is not consistent with the yaw rate sensor identification information sent via CAN communication continuously for 1 second or more.
  • Incorrect yaw rate sensor installed
  • No. 2 skid control ECU (brake actuator assembly)
Comes on
  • SAE Code: C1240
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)