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Home >> Lexus >> 2012 >> LS 460 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Lane Keeping Assist System (Diagnostic Codes & Circuit Tests) >> Lane-Keeping Assist System >> DTC U0122, U0123, U0131, U0155, U1104, U1112, U1113: Lost Communication with Vehicle Dynamics Control Module; Lost Communication with Yaw Rate Sensor Module; Lost Communication with Power Steering Control Module; Lost Communication with Combination Meter; Lost Communication with Driving Support ECU; Lost Communication with Combination Switch ECU; Lost Communication with Steering Pad ECU >> Description

DTC U0122, U0123, U0131, U0155, U1104, U1112, U1113: Lost Communication with Vehicle Dynamics Control Module; Lost Communication with Yaw Rate Sensor Module; Lost Communication with Power Steering Control Module; Lost Communication with Combination Meter; Lost Communication with Driving Support ECU; Lost Communication with Combination Switch ECU; Lost Communication with Steering Pad ECU: 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 combination meter and driving support ECU continues for 1 second or more
  • Combination meter 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 with modulator and driving support ECU continues for 1 second or more
  • Steering pad switch with modulator
  • CAN communication system
  • Driving support ECU
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