P0522 on Chevrolet
Engine Oil Pressure Sensor/Switch Low Voltage
P0522 on Chevrolet vehicles indicates engine oil pressure sensor/switch low voltage. Au7o has documented this code across 1 Chevrolet model — most commonly on Silverado 1500. This code means the engine oil pressure sensor is sending a voltage that is lower than the normal operating range. Depending on how the sensor is wired, this can indicate either a wiring/sensor fault or genuinely low oil pressure. Because low oil pressure can quickly destroy an engine, the actual oil pressure should be verified with a mechanical gauge before assuming it's just an electrical issue. Watch for an oil warning light, ticking noises, or other signs of low pressure. Typical repair costs on Chevrolet range from $20 to $120, depending on the specific model and root cause.
Common Causes of P0522
- •Faulty oil pressure sensor/switch
- •Short to ground or low voltage in the sensor wiring
- •Genuinely low oil pressure or low oil level
- •Corroded or damaged connector at the sensor
- •Poor electrical ground
- •Failing oil pump
- •Use of incorrect oil viscosity
P0522 on Chevrolet by Model
Chevrolet Silverado 1500(1 issue)
- Oil Pressure Sending Unit Failure (Erratic, Pegged, or Zero Oil Pressure Gauge)2003-2010
The engine oil pressure sensor/sending unit on LS truck V8s commonly fails or gets its screen clogged with sludge, sending the dash gauge bouncing, pegging high, dropping to zero, or reading falsely low—often with an 'oil pressure' warning even though actual pressure is fine. GM added a screen around the sensor mid-2007 that made the debris problem worse. A leading, cheap-to-fix false-alarm complaint that scares owners into thinking the pump failed.
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What does P0522 mean on Chevrolet?▼
P0522 stands for "Engine Oil Pressure Sensor/Switch Low Voltage." This code means the engine oil pressure sensor is sending a voltage that is lower than the normal operating range. Depending on how the sensor is wired, this can indicate either a wiring/sensor fault or genuinely low oil pressure. Because low oil pressure can quickly destroy an engine, the actual oil pressure should be verified with a mechanical gauge before assuming it's just an electrical issue. Watch for an oil warning light, ticking noises, or other signs of low pressure. On Chevrolet specifically, this code is documented across 1 model.
What causes P0522 on Chevrolet vehicles?▼
Common causes on Chevrolet: Faulty oil pressure sensor/switch, Short to ground or low voltage in the sensor wiring, Genuinely low oil pressure or low oil level, Corroded or damaged connector at the sensor, Poor electrical ground. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0522 on a Chevrolet?▼
Repair costs on Chevrolet range from $20 to $120, depending on the specific model and root cause.
Which Chevrolet models have P0522 documented?▼
Au7o has documented P0522 on 1 Chevrolet model: Silverado 1500.