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Home >> Lexus >> 2024 >> 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 - ] >> Description

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 - ]: Description

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.

Refer to DTC P0520-12.

Refer to DTC P0520-12: Engine Oil Pressure Sensor/Switch "A" Circuit Short to Battery; DTC P0520-14: Engine Oil Pressure Sensor/Switch "A" Circuit Short to Ground or Open [03/2023 - ] 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P0520-24 Engine Oil Pressure Sensor/Switch "A" Signal Stuck High The oil pressure sensor output voltage is higher than the threshold value (1 trip detection logic).
  • Open or short in oil pressure sensor (oil pressure and temperature sensor) circuit
  • Oil pressure and temperature sensor
  • ECM
Comes on
  • SAE Code: P0521
  • DTC for Mexico Models: Applies
P0520-2A Engine Oil Pressure Sensor/Switch "A" Signal Stuck in Range The oil pressure sensor output voltage is the same value for a certain period of time (1 trip detection logic).
  • Open or short in oil pressure sensor (oil pressure and temperature sensor) circuit
  • Oil pressure and temperature sensor
  • ECM
Comes on
  • SAE Code: P0521
  • DTC for Mexico Models: Applies
RELATED DATA LIST

DTC No. Data List
P0520-24
  • Engine Oil Temperature Sensor
  • Engine Oil Pressure
P0520-2A