OBD Guide

P3473

Cylinder 10 Deactivation/Intake Valve Control Circuit/Open

P3473 is an OBD-II diagnostic trouble code meaning: Cylinder 10 Deactivation/Intake Valve Control Circuit/Open. Common causes: broken or damaged wires in the control circuit, malfunction of the cylinder deactivation solenoid valve. Estimated repair cost: $17–89.

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

Symptoms

  • Uneven engine operation
  • Power reduction
  • Increased fuel consumption
  • The Check Engine light comes on
  • Possible misfire in cylinder 10

Causes

  • Broken or damaged wires in the control circuit
  • Malfunction of the cylinder deactivation solenoid valve
  • Poor contact in connectors
  • Engine control unit malfunction
  • Mechanical problems in the timing system

How to Fix

  1. Check the integrity of wires and connectors in the control circuit
  2. Check the resistance of the solenoid valve
  3. Inspect the mechanical components of the cylinder deactivation system
  4. Check for ECU firmware updates
  5. If necessary, replace faulty components

Related codes

Error P3473 by Vehicle Brand

FAQ

What does the P3473 code mean?

P3473 is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Deactivation/Intake Valve Control Circuit/Open

What causes a P3473 error code?

The most common causes of P3473 include: Broken or damaged wires in the control circuit; Malfunction of the cylinder deactivation solenoid valve; Poor contact in connectors; Engine control unit malfunction.

How do I fix a P3473 diagnostic trouble code?

To fix P3473: Check the integrity of wires and connectors in the control circuit. Check the resistance of the solenoid valve. Inspect the mechanical components of the cylinder deactivation system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3473?

Yes, but get it checked soon

How much does it cost to fix P3473?

The estimated repair cost for P3473 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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