OBD Guide

P3455

Cylinder 7 Exhaust Valve Control Circuit Low

P3455 is an OBD-II diagnostic trouble code meaning: Cylinder 7 Exhaust Valve Control Circuit Low. Common causes: open or short circuit in control circuit, solenoid valve malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Misfire in cylinder 7

Causes

  • Open or short circuit in control circuit
  • Solenoid valve malfunction
  • Wiring Harness Problems
  • Engine control unit malfunction
  • Contact corrosion

How to Fix

  1. Check the integrity of the control circuit
  2. Check the resistance of the solenoid valve
  3. Inspect the wiring harness for damage
  4. Check contacts for corrosion
  5. If necessary, replace faulty components

Related codes

Error P3455 by Vehicle Brand

FAQ

What does the P3455 code mean?

P3455 is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Exhaust Valve Control Circuit Low

What causes a P3455 error code?

The most common causes of P3455 include: Open or short circuit in control circuit; Solenoid valve malfunction; Wiring Harness Problems; Engine control unit malfunction.

How do I fix a P3455 diagnostic trouble code?

To fix P3455: Check the integrity of the control circuit. Check the resistance of the solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3455?

Limited driving only, diagnose soon

How much does it cost to fix P3455?

The estimated repair cost for P3455 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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