p0507
Moderate
Cadillac · Sedans
Idle Air Control System Malfunction (High)
Quick Answer
Error code P0507 on your Cadillac Sedans means: Idle Air Control System Malfunction (High). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect all vacuum hoses for leaks or cracks
2
Clean throttle body and intake valves
3
Check idle air control valve operation
4
Test throttle position sensor voltage
5
Clean or replace faulty components
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 body cleaner
Vacuum hose
Idle air control valve
Gasket sealant
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