P0505
P0505 means "Idle Air Control System Malfunction". Severity: 🟢 Low. Usually safe to drive in the short term, but get it checked soon.
What the P0505 code means
| Code | P0505 |
| Definition | Idle Air Control System Malfunction |
| System | Powertrain (engine & transmission) |
| Type | Generic (SAE standard) |
| Subsystem | Vehicle Speed / Idle Control |
| Severity | 🟢 Low |
Common causes of P0505
- Dirty throttle body
- Faulty IAC valve
- Vacuum leak
How to fix P0505
- Clean the throttle body
- Test/replace the IAC valve
Always confirm the diagnosis with a scan tool and live data before replacing parts.
Is it safe to drive with P0505?
Usually safe to drive in the short term, but get it checked soon.
P0505, answered.
What does P0505 mean?
P0505 stands for "Idle Air Control System Malfunction". It is a generic (sae standard) OBD-II powertrain trouble code.
Is it safe to drive with a P0505 code?
Usually safe to drive in the short term, but get it checked soon.
What causes P0505?
Common causes include: Dirty throttle body; Faulty IAC valve; Vacuum leak.
How do you fix P0505?
Typical fixes: Clean the throttle body; Test/replace the IAC valve. Always confirm the diagnosis before replacing parts.