Powertrain
generic / SAE
P0523
Engine Oil Pressure Sensor or Switch A High
Same as P0520 with the signal voltage above the plausible range - usually a short to supply or sensor failure that pegs the output high.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 23
Possible causes
- Signal shorted to supply high
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–280 €
- Estimated time: 0.4–1.4 h
- Component: oil pressure sensor a
- MIL / check engine light
Sources
References
sae:J2012