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Genel OBD2
🟡 Medium
Genel OBD2
P0505
Idle Control System Malfunction
The P0505 diagnostic trouble code (DTC) indicates a Idle Control System Malfunction. A core engine management parameter is outside of factory specifications, affecting overall drivability. This anomaly was detected during the ECM's internal diagnostic self-test, indicating that the system is unable to maintain steady-state operation.
Brand
Genel OBD2
Fault Code
P0505
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
- ✓ Smoke Leak Detector / Vacuum Gauge
- ✓ Electrical Contact Cleaner Spray
⚠️ Possible Causes
- Stuck or faulty IAC valve
- Dirty throttle body
- Vacuum leak
- ECM fault
🔧 Recommended Fixes
- Clean throttle body
- Clean or replace IAC valve
- Check for vacuum leaks
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes