DTC P0116: Engine Coolant Temperature Circuit Range / Performance [11/2021 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0115.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory
P0116	Engine Coolant Temperature Circuit Range / Performance	Either of the following conditions is met (2 trip detection logic): When engine is started cold and warmed up, the engine coolant temperature sensor value does not change. After the warmed up engine is stopped and then next cold engine start is performed, the engine coolant temperature sensor value does not change.	Water inlet with thermostat sub-assembly Engine coolant temperature sensor	Comes on	DTC stored