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Home >> Lexus >> 2017 >> LS 460 L, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Keeping Assist System (Diagnostic Codes & Circuit Tests) >> Lane-Keeping Assist System >> DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U1104: Lost Communication with Driving Support ECU; DTC U1112: Lost Communication with Combination Switch ECU; DTC U1113: Lost Communication with Steering Pad ECU [09/2015 - ] >> Description
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DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U1104: Lost Communication with Driving Support ECU; DTC U1112: Lost Communication with Combination Switch ECU; DTC U1113: Lost Communication with Steering Pad ECU [09/2015 - ]: Description

DTC Code DTC Detection Condition Trouble Area
U0122 While engine switch is on (IG), communication stop between skid control ECU and driving support ECU continues for 1 second or more
  • Skid control ECU
  • CAN communication system
  • Driving support ECU
U0123 While engine switch is on (IG), communication stop between yaw rate sensor and driving support ECU continues for 1 second or more
  • Yaw rate sensor
  • CAN communication system
  • Driving support ECU
U0131 While engine switch is on (IG), communication stop between power steering ECU and driving support ECU continues for 1 second or more
  • Power steering ECU assembly
  • CAN communication system
  • Driving support ECU
U0155 While engine switch is on (IG), communication stop between No. 1 meter ECU and driving support ECU continues for 1 second or more
  • No. 1 meter ECU sub-assembly
  • CAN communication system
  • Driving support ECU
U1104 While engine switch is on (IG), communication stop between driving support ECU and skid control ECU or power steering ECU continues for 1 second or more
  • Driving support ECU
  • CAN communication system
  • Skid control ECU
  • Power steering ECU assembly
U1112 While engine switch is on (IG), communication stop between combination switch and driving support ECU continues for 1 second or more
  • Combination switch assembly
  • CAN communication system
  • Driving support ECU
U1113 While engine switch is on (IG), communication stop between steering pad switch and driving support ECU continues for 1 second or more
  • Steering pad switch assembly
  • CAN communication system
  • Driving support ECU
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