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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Dynamic Radar Cruise Control System - Diagnostic Codes & Circuit Tests (Hybrid)) >> 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/EV Powertrain Control Module Missing Message [08/2021 -] >> 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/EV Powertrain Control Module Missing Message [08/2021 -]: 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 MIL DTC Output from
U0104-87 Lost Communication with Cruise Control Module Missing Message When the power switch is on (IG) 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 Does not come on Radar Cruise1
U0122-87 Lost Communication with Vehicle Dynamics Control Module Missing Message When the power switch is on (IG) and the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake booster with master cylinder assembly) and hybrid vehicle control ECU is detected for approximately 3 seconds or more. CAN communication system Does not come on Radar Cruise1
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake booster with master cylinder assembly) and hybrid vehicle control ECU is detected for approximately 1 second or more. CAN communication system Does not come on Radar Cruise1