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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for 1Motor-HEV Model) >> DTC U11BC-87: Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message [09/2023 - ] >> Description

DTC U11BC-87: Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

The hybrid vehicle control ECU assembly transmits and receives signals via CAN communication to and from the No. 2 skid control ECU (brake actuator assembly).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
U11BC-87 Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message No. 2 skid control ECU (brake actuator assembly) cannot receive signals from the hybrid vehicle control ECU assembly
  • No. 2 skid control ECU (brake actuator assembly)
  • Hybrid vehicle control ECU assembly
  • Wire harness or connector
Does not come on Master Warning:
Does not come on
Hybrid Control B SAE Code: U11BC