📖 What Does P0599 Mean?
Symptoms
- • Rough idle
- • stalling
- • check engine light
- • decreased fuel efficiency
Common Causes
- • Faulty idle air control (IAC) motor
- • dirty or clogged IAC motor
- • vacuum leaks
- • faulty throttle position sensor
Possible Solutions
1. Clean or replace the IAC motor, 2. Check and repair vacuum leaks, 3. Replace the throttle position sensor if faulty, 4. Check and adjust the idle air mixture
Fixing this on your car?
Get a vehicle-specific repair guide with exact parts, oil specs, and torque settings for your make and model.
🚙 Get Vehicle-Specific Fix Guide
Select your vehicle to see a customized repair guide with exact parts and specifications:
❓ Common Questions About P0599
Can I drive with code P0599?
You can drive for a short time, but should address code P0599 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0599?
The estimated repair cost for code P0599 is between $100 and $300. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
Recommended Tools
Need a Pro?
Complex codes like P0599 can be tricky. Don't risk it if you're unsure.
Recommended Tool
Professional OBD2 Scanner
Read & clear codes, view live data, and reset service lights yourself.
View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0599
P0597: Idle Air Control (IAC) Motor Circuit Malfunction
P0598: Idle Air Control (IAC) Motor Circuit Malfunction
Serial Communication Link Malfunction
Internal Control Module Memory Check Sum Error
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system