LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (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 [12/2021 - ] >> 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 Powertrain Control Module Missing Message [12/2021 - ]: Description

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

The hybrid vehicle control ECU assembly 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 ignition switch is ON and the dynamic radar cruise control system is operating, a communication malfunction between the millimeter wave radar sensor assembly and hybrid vehicle control ECU assembly 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 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 assembly is detected for approximately 2.6 seconds or more. CAN communication system Does not come on Radar Cruise1
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 assembly is detected for approximately 1 second or more. CAN communication system Does not come on Radar Cruise1