AIR System Switching Valve A Circuit Shorted

Where it lives

For P0414, the switch sits on the circuit this code reports. The description of P0414 reports the switch as shorted.

Check these first

• A short in the AIR switching valve A circuit
• A failed AIR switching valve A solenoid
• Water damage at the valve A connector
• A chafed valve A harness
• A failed AIR pump drawing excess current

What to do next

1. Check the valve A circuit for a short to ground
2. Inspect the valve A connector for water damage
3. Check the valve A harness for chafing
4. Test the AIR pump current draw
5. Replace the valve A solenoid or repair the shorted wire
6. Clear the code and retest

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