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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Hybrid Battery System (For Lithium-Ion Battery) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message [08/2020 - ] >> Description

DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message [08/2020 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. 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.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
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 for 1 second or more.
(1 trip detection logic)
  • Battery ECU assembly
  • Hybrid vehicle control ECU
  • Wire harness or connector
 Comes on Master Warning Light:
Comes on
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