OBD Guide

P3474

Cylinder 10 Deactivation/Intake Valve Control Circuit Performance

P3474 is an OBD-II diagnostic trouble code meaning: Cylinder 10 Deactivation/Intake Valve Control Circuit Performance. Common causes: malfunction of the vvt solenoid valve of cylinder 10, 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

  • Unstable engine operation
  • Power Loss
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Possible misfire in cylinder 10

Causes

  • Malfunction of the VVT solenoid valve of cylinder 10
  • Open or short circuit in wiring harness
  • Poor contact in control circuit connectors
  • Engine control unit malfunction
  • Mechanical problems with the timing mechanism

How to Fix

  1. Check the condition of the solenoid valve of cylinder 10
  2. Check the integrity of the wiring and contacts in the circuit
  3. Scan the control unit for additional errors
  4. Check oil pressure operation (low pressure may affect VVT operation)
  5. If necessary, replace faulty components

Related codes

Error P3474 by Vehicle Brand

FAQ

What does the P3474 code mean?

P3474 is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Deactivation/Intake Valve Control Circuit Performance

What causes a P3474 error code?

The most common causes of P3474 include: Malfunction of the VVT solenoid valve of cylinder 10; Open or short circuit in wiring harness; Poor contact in control circuit connectors; Engine control unit malfunction.

How do I fix a P3474 diagnostic trouble code?

To fix P3474: Check the condition of the solenoid valve of cylinder 10. Check the integrity of the wiring and contacts in the circuit. Scan the control unit for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3474?

Yes, but get it checked soon

How much does it cost to fix P3474?

The estimated repair cost for P3474 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat