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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Engine Control System - Diagnostic Codes (P21CF-P26CA)) >> SFI System >> DTC P2681-11: Engine Coolant Bypass Valve Circuit Short to Ground; DTC P2681-15: Engine Coolant Bypass Valve Circuit Short to Battery or Open [11/2021 - 03/2022] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.

If the ignition switch is ON or the engine is running and the current operating state and target operating state of the flow shutting valve do not match, the ECM determines that there is an open or short in the flow shutting valve circuit and stores a DTC.

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