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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Can Communication System (HEV) - Circuit Tests (1 Of 6) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [09/2022 - ] >> Description

DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [09/2022 - ]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area Note
U01BD-87 Lost Communication with DC/DC Converter Control Module "C" Missing Message Communication stops between the hybrid vehicle control ECU and the inverter with converter assembly.
  • CAN main/branch bus lines or connector
  • Hybrid vehicle control ECU
  • Inverter with converter assembly
  • No. 11 CAN junction connector
DTC Output from
  • Hybrid vehicle control ECU
U1150-87 Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message Communication stops between the battery ECU assembly and the hybrid vehicle control ECU.
  • CAN main/branch bus lines or connector
  • Battery ECU assembly
  • Hybrid vehicle control ECU
  • No. 11 CAN junction connector
DTC Output from
  • Battery ECU assembly
U117B-87 Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message Communication stops between the hybrid vehicle control ECU and the battery ECU assembly.
  • CAN main/branch bus lines or connector
  • Hybrid vehicle control ECU
  • Battery ECU assembly
  • No. 11 CAN junction connector
DTC Output from
  • Hybrid vehicle control ECU