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Section 264 (Hybrid Battery System - Diagnostic Codes (P1AC4-U1150) & Circuit Tests (Lithium-Ion))
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HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY)
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DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message [08/2020 - ]
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Component Operating Range
Component Operating Range
WARNING:
This page is about a different car, the 2022 Toyota Avalon and 2021 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Battery ECU assembly
DTC U1150 (INF U1150-87) is not detected