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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Control System - Diagnostic Codes (2 Of 6)) >> SFI System >> DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [12/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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.
COLD START MONITOR

Engine coolant temperature sensor value change Less than 5°C (9°F)
SOAK MONITOR

Difference between current engine coolant temperature sensor value and previous engine coolant temperature sensor value when engine stopped Less than 5°C (9°F) (Varies with engine coolant temperature of last trip engine stop)
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