DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System (W/ AFS) - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests >> LIGHTING SYSTEM (w/ AFS) >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0120-87: Lost Communication with Starter / Generator Control Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0168-87: Lost Communication with Vehicle Security Control Module Missing Message; DTC U0199-87: Lost Communication with "Door Control Module A" Missing Message; DTC U0200-87: Lost Communication with "Door Control Module B" Missing Message; DTC U0208-87: Lost Communication with "Seat Control Module A" Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message; DTC U0241-87: Lost Communication with Headlamp Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [11/2023 - ] >> Description

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0120-87: Lost Communication with Starter / Generator Control Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0168-87: Lost Communication with Vehicle Security Control Module Missing Message; DTC U0199-87: Lost Communication with "Door Control Module A" Missing Message; DTC U0200-87: Lost Communication with "Door Control Module B" Missing Message; DTC U0208-87: Lost Communication with "Seat Control Module A" Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message; DTC U0241-87: Lost Communication with Headlamp Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [11/2023 - ]: Description

These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0100-87 Lost Communication with ECM/PCM "A" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more. CAN communication system Main Body
U0101-87 Lost Communication with TCM Missing Message for HV Model: 
  1. The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more.

for Gasoline Model: 

  1. The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more.
 CAN communication system Main Body
U0120-87 Lost Communication with Starter / Generator Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more. CAN communication system Main Body
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the steering sensor for approximately 10 seconds or more. CAN communication system Main Body
U0129-87 Lost Communication with Brake System Control Module "A" Missing Message for HV Model: 
  1. The main body ECU (multiplex network body ECU) does not receive data from the No. 2 skid control ECU (brake actuator assembly) for approximately 10 seconds or more.

for Gasoline Model: 

  1. The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.
 CAN communication system Main Body
U0151-87 Lost Communication with Restraints Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the airbag sensor assembly for approximately 10 seconds or more. CAN communication system Main Body
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for approximately 10 seconds or more. CAN communication system Main Body
U0163-87 Lost Communication with Navigation Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the radio and display receiver assembly for approximately 10 seconds or more. CAN communication system Main Body
U0164-87 Lost Communication with HVAC Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for approximately 10 seconds or more. CAN communication system Main Body
U0168-87 Lost Communication with Vehicle Security Control Module Missing Message Communication stop occurs between the main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) continuously for approximately 10 seconds or more. CAN communication system Main Body
U0199-87 Lost Communication with "Door Control Module A" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the outer mirror control ECU assembly RH for approximately 10 seconds or more. CAN communication system Main Body
U0200-87 Lost Communication with "Door Control Module B" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the outer mirror control ECU assembly LH for approximately 10 seconds or more. CAN communication system Main Body
U0208-87 Lost Communication with "Seat Control Module A" Missing Message Communication stop occurs between the main body ECU (multiplex network body ECU) and position control ECU assembly continuously for 10 seconds or more. CAN communication system Main Body
U0230-87 Lost Communication with Rear Gate Module Missing Message Communication stop occurs between the main body ECU (multiplex network body ECU) and multiplex network door ECU continuously for 10 seconds or more. CAN communication system Main Body
U023A-87 Lost Communication with Image Processing Module "A" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more. CAN communication system Main Body
U0241-87 Lost Communication with Headlamp Control Module "A" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the headlight ECU sub-assembly LH for approximately 10 seconds or more. CAN communication system Main Body
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more. CAN communication system Main Body
U1106-87 Lost Communication with Electric Parking Brake Module Missing Message for HV Model: 
  1. The main body ECU (multiplex network body ECU) does not receive data from the No. 2 skid control ECU (brake actuator assembly) for approximately 10 seconds or more.

for Gasoline Model: 

  1. The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.
 CAN communication system Main Body
U1117-87 Lost Communication with Accessory Gateway Missing Message The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for approximately 10 seconds or more. CAN communication system Main Body
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