LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Prius >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnosis >> DTC U0100/211: Lost Communication With ECM/Pcm "A", DTC U0100/212 Lost Communication With ECM/Pcm "A". DTC U0100/530 Lost Communication With ECM/Pcm "A", DTC U0111/208 Lost Communication With Battery Energy Control Module "A", DTC U0111/531 Lost Communication With Battery Energy Control Module "A", 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" >> Circuit Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit Description

The HV control ECU transmits and receives signals to and from the ECM, battery ECU, skid control ECU, power steering ECU, and the gateway ECU via CAN (Controller Area Network) communication.

DTC TROUBLE DETECTION

DTC No. INF Code DTC Detection Condition Trouble Area
U0100 211 CAN communication problem between ECM and HV control ECU (no signal input)
  • CAN communication system
U0100 212 CAN communication problem between ECM and HV control ECU (transmission error)
  • CAN communication system
U0100 530 CAN communication problem between ECM and HV control ECU (CAN communication system malfunction)
  • CAN communication system
U0111 208 CAN communication problem between battery ECU and HV control ECU (no signal input)
  • CAN communication system
U0111 531 CAN communication problem between battery ECU and HV control ECU (CAN communication system malfunction)
  • CAN communication system
U0129 220 CAN communication problem between skid control ECU and HV control ECU (no signal input)
  • CAN communication system
U0129 222 CAN communication problem between skid control ECU and HV control ECU (CAN communication system malfunction)
  • CAN communication system
U0129 528 CAN communication problem between skid control ECU and HV control ECU (transmission error)
  • CAN communication system
U0129 529 CAN communication problem between skid control ECU and HV control ECU (regenerative torque malfunction)
  • CAN communication system
U0131 433 CAN communication problem between power steering ECU and HV control ECU (no signal input)
  • CAN communication system
U0131 434 CAN communication problem between power steering ECU and HV control ECU (CAN communication system malfunction)
  • CAN communication system
U0146 435 CAN communication problem between gateway ECU and HV control ECU (no signal input)
  • CAN communication system
scientia non olet · About LEMON Manuals