OBD Guide

P3480

Cylinder 10 Exhaust Valve Control Circuit High

P3480 is an OBD-II diagnostic trouble code meaning: Cylinder 10 Exhaust Valve Control Circuit High. Common causes: vvt solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Possible misfire in cylinder 10

Causes

  • VVT solenoid valve malfunction
  • Open or short circuit in control circuit
  • Poor contact in circuit connectors
  • Engine control unit malfunction
  • Mechanical problems in the timing system

How to Fix

  1. Check the condition of the VVT solenoid valve
  2. Check the integrity of the wiring harness and connectors
  3. Measure resistance and voltage in the control circuit
  4. Check the operation of the timing system
  5. If necessary, replace faulty components

Related codes

Error P3480 by Vehicle Brand

FAQ

What does the P3480 code mean?

P3480 is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Exhaust Valve Control Circuit High

What causes a P3480 error code?

The most common causes of P3480 include: VVT solenoid valve malfunction; Open or short circuit in control circuit; Poor contact in circuit connectors; Engine control unit malfunction.

How do I fix a P3480 diagnostic trouble code?

To fix P3480: Check the condition of the VVT solenoid valve. Check the integrity of the wiring harness and connectors. Measure resistance and voltage in the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3480?

Limited driving only, diagnose soon

How much does it cost to fix P3480?

The estimated repair cost for P3480 is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat