G
p0507
Moderate
GMC · SUVs
Idle Air Control System Malfunction
Quick Answer
Error code P0507 on your GMC SUVs means: Idle Air Control System Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
35003501400030003001150015012500
Likely Causes
  1. Dirty throttle body
  2. Faulty idle air control valve
  3. Vacuum leak
  4. Fuel injector problem
How to Fix It
1
Clean throttle body carbon deposits
2
Check for vacuum leaks
3
Inspect fuel injectors
4
Reset idle learn procedure
5
Test idle speed with scanner
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Throttle cleaner
Gaskets
Fuel injector cleaner
Related Error Codes
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