p0507
Easy Fix
Cadillac · SUVs
Idle Air Control System Malfunction (Idle Speed High)
Quick Answer
Error code P0507 on your Cadillac SUVs means: Idle Air Control System Malfunction (Idle Speed High). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Scan with diagnostic scanner
2
Inspect for vacuum leaks
3
Clean throttle body and intake valves
4
Check and adjust idle speed
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Throttle body cleaner
Vacuum hoses
Gasket materials
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