P0415
AIR System Switching Valve B Circuit
P0415 is an OBD-II diagnostic trouble code meaning: AIR System Switching Valve B Circuit. Common causes: open or shorted valve wiring harness, air system solenoid valve malfunction. Estimated repair cost: $33–111.
Symptoms
- Check Engine light comes on
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Unstable idle
Causes
- Open or shorted valve wiring harness
- AIR system solenoid valve malfunction
- Problems with the relay or circuit fuse
- Engine control unit error
How to Fix
- Check the AIR system fuse and relay
- Inspect the wiring harness for damage
- Check the resistance and operation of the switching valve
- Test the control circuit from the control unit
- If necessary, replace the faulty component
Related codes
Error P0415 by Vehicle Brand
FAQ
What does the P0415 code mean?
P0415 is an OBD-II diagnostic trouble code that indicates: AIR System Switching Valve B Circuit
What causes a P0415 error code?
The most common causes of P0415 include: Open or shorted valve wiring harness; AIR system solenoid valve malfunction; Problems with the relay or circuit fuse; Engine control unit error.
How do I fix a P0415 diagnostic trouble code?
To fix P0415: Check the AIR system fuse and relay. Inspect the wiring harness for damage. Check the resistance and operation of the switching valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0415?
Limited driving only, diagnose soon
How much does it cost to fix P0415?
The estimated repair cost for P0415 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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