LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostics - Introduction (12 Of 12) >> Can Communication System >> Diagnostic Trouble Code Chart [09/2018 - 10/2020] >> Diagnostic Trouble Code Chart [09/2018 - 10/2020]

Diagnostic Trouble Code Chart [09/2018 - 10/2020]

CAN COMMUNICATION SYSTEM

DTC No. Detection Item Trouble Area Note Link
B1003 ECU Malfunction Central gateway ECU (network gateway ECU) DTC Output from 
  • Central gateway ECU (network gateway ECU)
Refer to DTC B1003: ECU Malfunction [12/2017 - 10/2023]
U0129 Lost Communication with Skid Control ECU
  • Skid control ECU assembly (skid control ECU) (w/o Vacuum Brake Booster)
  • Skid control ECU assembly (skid control ECU) CAN branch wire or connector (w/o Vacuum Brake Booster)
  • Brake actuator assembly (skid control ECU) (w/ Vacuum Brake Booster)
  • Brake actuator assembly (skid control ECU) CAN branch wire or connector (w/ Vacuum Brake Booster)
DTC Output from 
  • Front steering control ECU (w/ Variable Gear Ratio Steering System)
  • Rack and pinion power steering gear assembly
  • Rear steering control ECU (w/ Dynamic Rear Steering System)
Refer to DTC U0129: Lost Communication with Skid Control ECU [12/2017 - 10/2020]
U0130 Lost Communication with Steering Effort Control Module
  • Front steering control ECU
  • Absorber control ECU (AVS ECU)
  • Suspension control ECU
  • Front steering control ECU CAN branch wire or connector
  • Absorber control ECU (AVS ECU) CAN branch wire or connector
  • Suspension control ECU CAN branch wire or connector
DTC Output from 
  • Rear steering control ECU (w/ Dynamic Rear Steering System)
  • Rack and pinion power steering gear assembly
  • Skid control ECU assembly (w/o Vacuum Brake Booster)
  • Absorber control ECU (AVS ECU)
  • Suspension control ECU
Refer to DTC U0130: Lost Communication with Steering Effort Control Module; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message [09/2018 - 10/2020]
U0130-87 Lost Communication with Steering Effort Control Module Missing Message
  • Front steering control ECU
  • Absorber control ECU (AVS ECU)
  • Suspension control ECU
  • Front steering control ECU CAN branch wire or connector
  • Absorber control ECU (AVS ECU) CAN branch wire or connector
  • Suspension control ECU CAN branch wire or connector
DTC Output from 
  • Brake actuator assembly (skid control ECU) (w/ Vacuum Brake Booster)
Refer to DTC U0130: Lost Communication with Steering Effort Control Module; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message [09/2018 - 10/2020]
U0130-87 Lost Communication with Steering Effort Control Module Missing Message
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type])
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type]) CAN branch wire or connector
DTC Output from 
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type])
Refer to DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message [09/2018 - 10/2020]
U0131 Lost Communication with Power Steering Control Module
  • Rack and pinion power steering gear assembly
  • Rack and pinion power steering gear assembly CAN branch wire or connector
DTC Output from 
  • Front steering control ECU (w/ Variable Gear Ratio Steering System)
Refer to DTC U0131: Lost Communication with Power Steering Control Module [12/2017 - 10/2020]
U0134 Lost Communication with DRS Module
  • Rear steering control ECU
  • Rear steering control ECU CAN branch wire or connector
DTC Output from 
  • Rack and pinion power steering gear assembly
  • Skid control ECU assembly (skid control ECU) (w/o Vacuum Brake Booster)
  • Front steering control ECU (w/ Variable Gear Ratio Steering System)
Refer to DTC U0134: Lost Communication with DRS Module; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message [09/2018 - 10/2020]
U0134-87 Lost Communication with Power Steering Control Module Rear Missing Message
  • Rear steering control ECU
  • Rear steering control ECU CAN branch wire or connector
DTC Output from 
  • Brake actuator assembly (skid control ECU) (w/ Vacuum Brake Booster)
Refer to DTC U0134: Lost Communication with DRS Module; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message [09/2018 - 10/2020]
U0134-87 Lost Communication with Power Steering Control Module Rear Missing Message
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type])
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type]) CAN branch wire or connector
DTC Output from 
  • Driving support control ECU assembly (w/ Pre-collision System [for Stereo Camera Type])
Refer to DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message [09/2018 - 10/2020]
U1170 Lost Communication with Brake System Control Module(Chassis Local Bus)
  • Front active stabilizer control ECU assembly
  • Front active stabilizer control ECU assembly CAN branch wire or connector
  • Rear active stabilizer control ECU assembly
  • Rear active stabilizer control ECU assembly CAN branch wire or connector
DTC Output from 
  • Rear active stabilizer control ECU assembly
  • Front active stabilizer control ECU assembly
Refer to DTC U1170: Lost Communication with Brake System Control Module(Chassis Local Bus) [12/2017 - 10/2020]