OBD Guide

P3484

Cylinder 11 Deactivation/Intake Valve Control Circuit High

P3484 is an OBD-II diagnostic trouble code meaning: Cylinder 11 Deactivation/Intake Valve Control Circuit High. Common causes: malfunction of the cylinder deactivation solenoid valve, open or short circuit in wiring harness. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Increased engine vibrations
  • Check Engine Light Illuminates
  • Increased fuel consumption
  • Unstable operation at idle

Causes

  • Malfunction of the cylinder deactivation solenoid valve
  • Open or short circuit in wiring harness
  • Poor contact in control circuit connectors
  • Malfunction of the engine control unit (ECU)
  • Mechanical problems with the timing system

How to Fix

  1. Check the condition of the wiring harness and connectors in the control circuit
  2. Test the cylinder deactivation solenoid valve
  3. Check resistance and continuity of control circuit
  4. Scan the engine control module for additional errors
  5. If necessary, replace faulty components

Related codes

Error P3484 by Vehicle Brand

FAQ

What does the P3484 code mean?

P3484 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Deactivation/Intake Valve Control Circuit High

What causes a P3484 error code?

The most common causes of P3484 include: Malfunction of the cylinder deactivation solenoid valve; Open or short circuit in wiring harness; Poor contact in control circuit connectors; Malfunction of the engine control unit (ECU).

How do I fix a P3484 diagnostic trouble code?

To fix P3484: Check the condition of the wiring harness and connectors in the control circuit. Test the cylinder deactivation solenoid valve. Check resistance and continuity of control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3484?

Yes, but get it checked soon

How much does it cost to fix P3484?

The estimated repair cost for P3484 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat