OBD Guide

P3480

Cylinder 10 Exhaust Valve Control Circuit High

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