Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- High
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $20 to $250
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P0523 Engine Oil Pressure Sensor/Switch Circuit High Voltage High
The P0523 code means the oil pressure sensor or switch signal is above its maximum value. The oil pressure reading cannot be trusted. It usually points to an open circuit or an interrupted ground, but confirm the real pressure before you assume the engine is fine.