OBD Guide

P3472

Cylinder 9 Exhaust Valve Control Circuit High

P3472 is an OBD-II diagnostic trouble code meaning: Cylinder 9 Exhaust Valve Control Circuit High. Common causes: exhaust valve control solenoid valve malfunction, 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

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Possible misfires

Causes

  • Exhaust valve control solenoid valve malfunction
  • Open or short circuit in wiring harness
  • Poor contact in control circuit connectors
  • Engine control unit (ECU) malfunction
  • Mechanical problems with the timing system

How to Fix

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

Related codes

Error P3472 by Vehicle Brand

FAQ

What does the P3472 code mean?

P3472 is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Exhaust Valve Control Circuit High

What causes a P3472 error code?

The most common causes of P3472 include: Exhaust valve control solenoid valve malfunction; Open or short circuit in wiring harness; Poor contact in control circuit connectors; Engine control unit (ECU) malfunction.

How do I fix a P3472 diagnostic trouble code?

To fix P3472: Check the condition of the solenoid valve. Check the integrity of the wiring harness and connectors. Measure the resistance of the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3472?

Yes, but get it checked soon

How much does it cost to fix P3472?

The estimated repair cost for P3472 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat