P0523
Engine Oil Pressure Sensor/Switch High Input
2000-2005 Chevrolet Impala 3.4L V6
Moderate SeverityPowertrainGeneric (SAE)
Description
High voltage from oil pressure sensor.
Symptoms
- Very high oil pressure reading
- Warning light on
Common Causes
- Open circuit
- Short to power
- Faulty sensor
Diagnostic Steps
- Test with mechanical gauge
- Test circuit voltage
- Test sensor
Repair Notes
Replace sensor if actual pressure is normal.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0523 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P0523 mean on a 2000-2005 Chevrolet Impala?
P0523 stands for "Engine Oil Pressure Sensor/Switch High Input". High voltage from oil pressure sensor.
What are the symptoms of P0523 on a Chevrolet Impala?
Common symptoms of P0523 include: Very high oil pressure reading, Warning light on.
What causes P0523 on a 2000-2005 Chevrolet Impala?
Common causes of P0523 include: Open circuit, Short to power, Faulty sensor.