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Home >> Lexus >> 2016 >> LS 460 Base, RWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System - Diagnostic Codes & Symptom Tests >> Electronically Controlled Brake System >> DTC U0073/94: Control Module Communication Bus OFF; DTC U0100/65: Lost Communication with ECM / PCM; 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 U0182: Lost Communication with AFS ECU [09/2015 - ] >> Description
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DTC U0073/94: Control Module Communication Bus OFF; DTC U0100/65: Lost Communication with ECM / PCM; 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 U0182: Lost Communication with AFS ECU [09/2015 - ]: Description

The skid control ECU sends and receives signals from the ECM, steering control ECU, steering angle sensor, and yaw rate and acceleration sensor via the CAN communication system.

DTC Code Information Code DTC Detection Condition Trouble Area
U0073/94 400 Yaw rate and acceleration sensor communication response malfunction:
With the IG1 terminal voltage at 10 V or more, communication with the yaw rate and acceleration sensor does not occur for 1 second or more.
  • CAN communication line 1 (Steering bus)
  • Yaw rate and acceleration sensor
  • Skid control ECU
↑ 402 Steering angle sensor communication response malfunction:
With the IG1 terminal voltage at 10 V or more, communication with the steering angle sensor does not occur for 1 second or more.
  • CAN communication line 1 (Steering bus)
  • Yaw rate and acceleration sensor
  • Skid control ECU
↑ 403 Steering control ECU communication response malfunction:
With the IG1 terminal voltage at 10 V or more, communication with the steering control ECU does not occur for 1 second or more.
  • CAN communication line 1 (Steering bus)
  • Steering control ECU
↑ 405
410		 CAN communication line 3 (V bus) has an open or short, and cannot perform communication (405: continuous bus off malfunction (V bus); 410: transmission lock malfunction (V bus).
  • CAN communication line 3 (V bus)
  • Skid control ECU
↑ 406
411		 CAN communication line 2 (braking and driving bus) has an open or short, and cannot perform communication (406: continuous bus off malfunction (braking and driving bus); 411: transmission lock malfunction (braking and driving bus).
  • CAN communication line 2 (Braking and driving bus)
  • Skid control ECU
↑ 407
412		 CAN communication line 1 (steering bus) has an open or short, and cannot perform communication (407: continuous bus off malfunction (steering bus); 412: transmission lock malfunction (steering bus).
  • CAN communication line 1 (Steering bus)
  • Skid control ECU
U0100/65 166
167		 With the IG1 terminal voltage at 10 V or more, data cannot be sent from the ECM to the skid control ECU for 2 seconds or more.
  • CAN communication system
  • ECM
  • Skid control ECU
U0123/62 338 With the IG1 terminal voltage at 10 V or more, data from the yaw rate sensor cannot be received for 1 second or more.
  • CAN communication system
  • Yaw rate and acceleration sensor
  • Skid control ECU
↑ 339 With the IG1 terminal voltage at 10 V or more, the following occurs 10 times in succession within 60 seconds.
  • Data from the yaw rate sensor cannot be received once or more within 5 seconds.
 ↑
U0124/95 319 With the IG1 terminal voltage at 10 V or more, data from the acceleration sensor cannot be received for 1 second or more.
  • CAN communication system
  • Yaw rate and acceleration sensor
  • Skid control ECU
↑ 320 With the IG1 terminal voltage at 10 V or more, the following occurs 10 times in succession within 60 seconds.
  • Data from the acceleration sensor cannot be received once or more within 5 seconds.
 ↑
U0126/63 350 With the IG1 terminal voltage at 10 V or more, data from the steering angle sensor cannot be received for 1 second or more.
  • CAN communication system
  • Steering angle sensor
  • Skid control ECU
↑ 601 With the IG1 terminal voltage at 10 V or more, the following occurs 10 times in succession within 60 seconds.
  • Data from the steering angle sensor cannot be received once or more within 5 seconds.
 ↑
U0128/13 425 With IG1 terminal voltage at 10 V or more, data cannot be received from the electric parking brake ECU for 1 second.
  • CAN communication system
  • Electric parking brake ECU
  • Skid control ECU
U0130/68 370 With the IG1 terminal voltage at 10 V or more, data from the steering control ECU cannot be received for 1 second or more.
  • CAN communication system
  • Steering control ECU
  • Skid control ECU
↑ 371 With the IG1 terminal voltage at 10 V or more, the following occurs 10 times in succession within 60 seconds.
  • Data from the steering control ECU cannot be received once or more within 5 seconds.
 ↑
U0182 - With the IG1 terminal voltage at 10 V or more, data from the AFS ECU cannot be received for 1 second or more.
  • CAN communication system
  • AFS ECU
  • Skid control ECU
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