P0521 on Nissan
Engine Oil Pressure Sensor/Switch Range/Performance
P0521 on Nissan vehicles indicates engine oil pressure sensor/switch range/performance. Au7o has documented this code across 1 Nissan model — most commonly on Rogue. This code indicates the engine oil pressure sensor or switch is sending a reading that is implausible or out of its normal operating range — for example, the value doesn't match what the engine's speed and conditions should produce. Unlike a simple circuit fault, this means the signal is present but doesn't make sense (range/performance). It can be caused by a failing sensor, wiring issues, or by genuinely abnormal oil pressure. Because oil pressure protects the engine, a true low-pressure reading should be confirmed and taken seriously.
Common Causes of P0521
- •Faulty or worn oil pressure sensor/switch
- •Low engine oil level or actual abnormal oil pressure
- •Wiring or connector corrosion/damage at the sensor
- •Sludge or debris affecting the sensor reading
- •Use of incorrect oil viscosity
- •Failing oil pump
- •Poor electrical ground
P0521 on Nissan by Model
Nissan Rogue(1 issue)
- 1.5L VC-Turbo Main/Link Bearing Seizure Causing Engine Knock, Stall, and Total Engine Failure (Recall)2021-2024
The variable-compression 1.5L VC-Turbo can suffer a manufacturing defect in the main, A-link, C-link, and L-link engine bearings. Higher-than-expected oil temperatures thin the oil and starve the bearings, leading to bearing seizure, rod knock, abnormal engine noise, hard/rough starts, stalling, and ultimately catastrophic engine failure (potentially while driving). NHTSA opened an investigation in December 2023; Nissan issued recall 25V-437 (June 2025, ~443,899 units, MY2021-2024) followed by 26V-080 (Feb 2026, ~323,917 units built Oct 2022-Nov 2024). Distinct from the already-covered PCV/oil-smell VC-Turbo issue — this is bottom-end bearing failure. Hundreds of warranty engine-replacement claims logged.
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View P0521 across all makes →Frequently Asked Questions
What does P0521 mean on Nissan?▼
P0521 stands for "Engine Oil Pressure Sensor/Switch Range/Performance." This code indicates the engine oil pressure sensor or switch is sending a reading that is implausible or out of its normal operating range — for example, the value doesn't match what the engine's speed and conditions should produce. Unlike a simple circuit fault, this means the signal is present but doesn't make sense (range/performance). It can be caused by a failing sensor, wiring issues, or by genuinely abnormal oil pressure. Because oil pressure protects the engine, a true low-pressure reading should be confirmed and taken seriously. On Nissan specifically, this code is documented across 1 model.
What causes P0521 on Nissan vehicles?▼
Common causes on Nissan: Faulty or worn oil pressure sensor/switch, Low engine oil level or actual abnormal oil pressure, Wiring or connector corrosion/damage at the sensor, Sludge or debris affecting the sensor reading, Use of incorrect oil viscosity. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0521 on a Nissan?▼
Repair costs vary widely depending on the root cause and specific Nissan model.
Which Nissan models have P0521 documented?▼
Au7o has documented P0521 on 1 Nissan model: Rogue.