P3480
Cylinder 10 Exhaust Valve Control Circuit High
What it means
P3480 means Cylinder 10 Exhaust Valve Control Circuit High.
Where it lives
For P3480, the valve sits on the circuit this code reports. The description of P3480 puts it on cylinder 10.
Check these first
- A short to voltage on the cylinder 10 exhaust valve control circuit
- An open in the cylinder 10 exhaust valve control ground
- A stuck exhaust valve control solenoid on cylinder 10
- A failed driver inside the control module for the cylinder 10 exhaust valve circuit
What to do next
- Read the stored code and freeze frame data on a scan tool
- Test the cylinder 10 exhaust valve control circuit for a short to voltage
- Check the cylinder 10 exhaust valve control ground for an open
- Compare the circuit voltage to the manufacturer specification
- Replace the cylinder 10 exhaust valve control solenoid if the circuit tests good
- Clear the code and retest
Look up another code
Enter a full code or a symptom. Press / to search. How to read a code
Type a code above, or start from a symptom or a common code.
Updated
Generic SAE J2012 definition. Last updated 2026-10-10.