LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2)) >> HYBRID CONTROL SYSTEM (for PHEV Model) >> DTC U019B-87: Lost Communication with Hybrid/EV Battery Charger Control Module Missing Message [08/2023 - ] >> Description

DTC U019B-87: Lost Communication with Hybrid/EV Battery Charger Control Module Missing Message [08/2023 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

The hybrid vehicle control ECU stores this DTC when no signal has been received from the electric vehicle charger assembly for a certain period of time.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
U019B-87 Lost Communication with Hybrid/EV Battery Charger Control Module Missing Message Problem with CAN communication between the hybrid vehicle control ECU and the electric vehicle charger assembly (CAN communication system malfunction)
(1 trip detection logic)
  • Electric vehicle charger assembly
  • Hybrid vehicle control ECU
  • Wire harness or connector
Comes on Master Warning:
Comes on
Hybrid Control B SAE Code: U019B