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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0AA1-231 Through U0424-537 >> DTC U0100-211 Lost Communication with ECM / PCM "A"; DTC P0A1D-615 Hybrid Powertrain Control Module; DTC U0100-212 Lost Communication with ECM / PCM "A"; DTC U0100-530 Lost Communication with ECM / PCM "A"; DTC U0100-774 Lost Communication with ECM / PCM "A"; DTC U0100-784 Lost Communication with ECM / PCM "A"; DTC U0122-732 Lost Communication with Vehicle Dynamics Control Module; DTC U0123-726 Lost Communication Error of Yaw Rate Sensor; DTC U0126-735 Lost Communication with Steering Angle Sensor Module; DTC U0129-220 Lost Communication with Brake System Control Module; DTC U0129-222 Lost Communication with Brake System Control Module; DTC U0129-528 Lost Communication with Brake System Control Module; DTC U0129-529 Lost Communication with Brake System Control Module; DTC U0131-433 Lost Communication with Power Steering Control Module; DTC U0131-434 Lost Communication with Power Steering Control Module; DTC U0146-435 Lost Communication with Gateway "A"; DTC U0293-730 Lost Communication with Distance Control ECU; DTC U0293-733 Lost Communication with Vehicle Dynamics Control Module; DTC U1101-728 Lost Communication with Distance Control ECU >> Description

DTC U0100-211 Lost Communication with ECM / PCM "A"; DTC P0A1D-615 Hybrid Powertrain Control Module; DTC U0100-212 Lost Communication with ECM / PCM "A"; DTC U0100-530 Lost Communication with ECM / PCM "A"; DTC U0100-774 Lost Communication with ECM / PCM "A"; DTC U0100-784 Lost Communication with ECM / PCM "A"; DTC U0122-732 Lost Communication with Vehicle Dynamics Control Module; DTC U0123-726 Lost Communication Error of Yaw Rate Sensor; DTC U0126-735 Lost Communication with Steering Angle Sensor Module; DTC U0129-220 Lost Communication with Brake System Control Module; DTC U0129-222 Lost Communication with Brake System Control Module; DTC U0129-528 Lost Communication with Brake System Control Module; DTC U0129-529 Lost Communication with Brake System Control Module; DTC U0131-433 Lost Communication with Power Steering Control Module; DTC U0131-434 Lost Communication with Power Steering Control Module; DTC U0146-435 Lost Communication with Gateway "A"; DTC U0293-730 Lost Communication with Distance Control ECU; DTC U0293-733 Lost Communication with Vehicle Dynamics Control Module; DTC U1101-728 Lost Communication with Distance Control ECU: Description

The HV control ECU transmits and receives signals to and from the ECM (inside the HV control ECU), skid control ECU assembly, power steering ECU assembly, and network gateway ECU via CAN communication.

Fig 1: HV Control ECU Communication Diagram
G05201717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
U0100 211 Problem in CAN communication between ECM and HV control ECU (no signal reception, internal CAN) CAN COMMUNICATION SYSTEM
↑ 212 Problem in CAN communication between ECM and HV control ECU (signal transmission error, internal CAN) CAN COMMUNICATION SYSTEM
↑ 530 Problem in CAN communication between ECM and HV control ECU (CAN communication system malfunction, internal CAN) CAN COMMUNICATION SYSTEM
↑ 774 Problem in CAN communication between ECM and HV control ECU (signal transmission error, external CAN) CAN COMMUNICATION SYSTEM
↑ 784 Problem in CAN communication between ECM and HV control ECU (CAN communication system malfunction, external CAN) CAN COMMUNICATION SYSTEM
U0122 732 Problem in CAN communication between skid control ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U0123 736 Problem in CAN communication between yaw rate sensor and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U0126 735 Problem in CAN communication between steering angle sensor and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U0129 220 Problem in CAN communication between skid control ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
↑ 222 Problem in CAN communication between skid control ECU and HV control ECU (CAN communication system malfunction) CAN COMMUNICATION SYSTEM
↑ 528 Problem in CAN communication between skid control ECU and HV control ECU (signal transmission error) CAN COMMUNICATION SYSTEM
↑ 529 Problem in CAN communication between skid control ECU and HV control ECU (regenerative torque malfunction) CAN COMMUNICATION SYSTEM
U0131 433 Problem in CAN communication between power steering ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
↑ 434 Problem in CAN communication between power steering ECU and HV control ECU (CAN communication system malfunction) CAN COMMUNICATION SYSTEM
U0146 435 Problem in CAN communication between network gateway ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U0293 730 Problem in CAN communication between distance control ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U0293 733 Problem in CAN communication between skid control ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
U1101 728 Problem in CAN communication between distance ECU and HV control ECU (no signal reception) CAN COMMUNICATION SYSTEM
P0A1D 615 CAN communication problem of HV control ECU (signal transmission error) CAN COMMUNICATION SYSTEM
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