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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Hybrid Battery System - Diagnostic Codes (5 Of 5) & Symptom Tests) >> HYBRID BATTERY SYSTEM (for PHEV Model) >> DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message [12/2023 - ] >> Description

DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

The battery ECU assembly transmits and receives signals via CAN communication to and from the hybrid vehicle control ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
U1150-87 Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message The battery ECU assembly does not receive any signals from the hybrid vehicle control ECU assembly for 1 second or more.
(1 trip detection logic)
  • Battery ECU assembly
  • Hybrid vehicle control ECU assembly
  • Wire harness or connector
Comes on Master Warning:
Comes on
HV Battery B SAE Code:
U1150