DTC P0195-15: Engine Oil Temperature Sensor Circuit Short to Battery or Open [08/2020 - 08/2021]: Description

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0195-11.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P0195-15	Engine Oil Temperature Sensor Circuit Short to Battery or Open	The engine oil temperature sensor output voltage is higher than 4.865 V for 5 seconds or more (1 trip detection logic).	Open or short in engine oil temperature sensor circuit Oil pressure and temperature sensor ECM	Comes on	DTC stored	SAE Code: P0198

HINT:

When this DTC is output, check the engine oil temperature in the Data List. Enter the following menus: Powertrain / Engine / Data List / Engine Oil Temperature Sensor.

DTC No.	Engine Oil Temperature Sensor	Malfunction
P0195-15	Higher than 168°C (334°F)	Short to +B in THEO circuit Open in THEO circuit Open in EPEO circuit

If the Data List values is normal it may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.

Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2020 - ]