P041F

AIR System Switching Valve A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased emissions
Reduced engine efficiency
Check Engine Light Is On

Causes

Open or short circuit in wiring harness
AIR valve malfunction
Problems with the engine control unit (ECU)
Poor contact in connectors

How to Fix

Check the wiring harness for breaks and damage
Check the resistance of the AIR valve
Check voltage at valve connectors
Replace AIR valve if necessary

Related codes

P0410 P0411 P0412