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Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Control System - Diagnostic Codes (P050B-P0524)) >> SFI System >> DTC P0520-24: Engine Oil Pressure Sensor/Switch "A" Signal Stuck High; DTC P0520-2A: Engine Oil Pressure Sensor/Switch "A" Signal Stuck in Range [03/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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.
HIGH PRESSURE MONITOR

Both of the following conditions are met -
Engine coolant temperature 70°C (158°F) or higher
Engine coolant temperature sensor malfunction (P0117, P0118) Not detected
STUCK MONITOR

All of the following conditions are met -
Engine speed Higher than 400 rpm, and 3500 rpm or less
Engine oil pressure sensor malfunction (P0521, P0522, P0523) Not detected
Engine coolant temperature 40°C (104°F) or higher
Engine coolant temperature sensor malfunction (P0117, P0118) Not detected
Oil pressure 23 kPa (3.3 psi) or higher