DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 41 (Dynamic Radar Cruise Control System (HV) - Diagnostic Codes & Circuit Tests) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [12/2019 - 11/2023] >> Description

DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

The hybrid vehicle control ECU communicates with each sensor and ECU via CAN communication.

If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0104-87 Lost Communication with Cruise Control Module Missing Message When the ignition switch is ON and the dynamic radar cruise control system is operating, a communication malfunction between the forward recognition camera and hybrid vehicle control ECU is detected for approximately 1 second or more. CAN communication system Radar Cruise 1
U0122-87 Lost Communication with Vehicle Dynamics Control Module Missing Message When the ignition switch is ON and the dynamic radar cruise control system is operating, a communication malfunction between the No. 2 skid control ECU (brake actuator assembly) and hybrid vehicle control ECU is detected for approximately 3 seconds or more. CAN communication system Radar Cruise 1
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the No. 2 skid control ECU (brake actuator assembly) and hybrid vehicle control ECU is detected for approximately 1 second or more. CAN communication system Radar Cruise 1