LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Control System - Diagnostic Codes (P0195-P0335)) >> SFI System >> DTC P0195-15: Engine Oil Temperature Sensor Circuit Short to Battery or Open [10/2022 - 08/2023] >> Description

DTC P0195-15: Engine Oil Temperature Sensor Circuit Short to Battery or Open [10/2022 - 08/2023]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. 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 DTC Output from Priority 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 Engine A
  • SAE Code: P0198
  • DTC for Mexico Models: Applies

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 150°C (302°F)
  • Short to +B in THEO circuit
  • Open in THEO circuit
  • Open in EPEO circuit

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

Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ]