AIR System Switching Valve B Circuit Open

Where it lives

For P0416, the switch sits on the circuit this code reports. The description of P0416 reports the switch as open.

Check these first

• An open in the AIR switching valve B circuit
• A failed AIR switching valve B solenoid
• A loose or corroded valve B connector
• A blown AIR system fuse
• Low battery voltage sagging the circuit

What to do next

1. Check the AIR system fuse and battery voltage
2. Test the valve B circuit for continuity
3. Inspect the valve B connector for loose pins
4. Command the valve B and check for movement
5. Replace the valve B solenoid or repair the open wire
6. Clear the code and retest

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