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Home >> Lexus >> 2006 >> GS 300 RWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control >> 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 U0130/68 Lost Communication with Steering Effort Control Module; DTC U0131/67 Lost Communication with Power Steering Control Module >> 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 U0130/68 Lost Communication with Steering Effort Control Module; DTC U0131/67 Lost Communication with Power Steering Control Module: Description

The skid control ECU inputs the signals from the ECM, power steering (EPS) ECU, steering control (VGRS) ECU, steering angle sensor, and yaw rate and acceleration sensor via the CAN communication system.

DTC DETECTION CONDITION AND TROUBLE AREA CHART

DTC No. INF Code DTC Detection Condition Trouble Area
U0073/94  360 When either of the following is detected:
  1. After the output of data from the skid control ECU is completed, the sending continues for 5 seconds or more.
  2. The condition that bus OFF state occurs once or more within 100 ms occurs 10 times in succession. (Sent signals cannot be received.)
 CAN communication system
U0100/65  165
166
167		 When the following continues for 2 seconds or more:
  1. With the IG1 terminal voltage 10 V or more and the vehicle speed 9 mph (15 km/h) or more, data cannot be sent to the ECM or the skid control ECU cannot receiver signals.
  • CAN communication system
  • ECM
  • Skid control ECU
U0123/62  338 When either of the following is detected:
  1. With the IG1 terminal voltage 10 V or more, data from the yaw rate sensor cannot be received for 1 second or more.
  2. With the IG1 terminal voltage 10 V or more, the following occurs 10 times in succession within 60 seconds.

  • The condition that data from the yaw rate sensor cannot be received occurs once or more within 5 seconds.
  • CAN communication system
  • Yaw rate and acceleration sensor
  • Skid control ECU
U0124/95  319 When either of the following is detected:
  1. With the IG1 terminal voltage 10 V or more, data from the acceleration sensor cannot be received for 1 second or more
  2. With the IG1 terminal voltage 10 V or more, the following occurs 10 times in succession within 60 seconds.

  • The condition that data from the acceleration sensor cannot be received occurs once or more within 5 seconds.
  • CAN communication system
  • Yaw rate and acceleration sensor
  • Skid control ECU
U0126/63  350 When either of the following is detected:
  1. With the IG1 terminal voltage 10 V or more, data from the steering angle sensor cannot be received for 1 second or more.
  2. With the IG1 terminal voltage 10 V or more, the following occurs 10 times in succession within 60 seconds.

  • The condition that data from the steering angle sensor cannot be received occurs once or more within 5 seconds.
  • CAN communication system
  • Steering angle sensor
  • Skid control ECU
U0130/68  370
371		 When either of the following is detected:
  1. With the IG1 terminal voltage 10 V or more, data from the VGRS ECU cannot be received for 1 second or more.
  2. With the IG1 terminal voltage 10 V or more, the following occurs 10 times in succession within 60 seconds.

  • The condition that data from the VGRS ECU cannot be received occurs once or more within 5 seconds.
  • CAN communication system (Local and global)
  • Steering control (VGRS) ECU
  • Skid control ECU
U0131/67  374
375		 When either of the following is detected:
  1. With the IG1 terminal voltage 10 V or more, data from the EPS ECU cannot be received for 1 second or more.
  2. With the IG1 terminal voltage 10 V or more, the following occurs 10 times in succession within 60 seconds.

  • The condition that data from the EPS ECU cannot be received occurs once or more within 5 seconds.
  • CAN communication system (Local and global)
  • Power steering (EPS) ECU
  • Skid control ECU
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