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.
Affected components
- Oil pressure sensor a
Common causes
- High likelihood: Signal shorted to supply
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.