OBD Guide

P3495

Cylinder 12 Exhaust Valve Control Circuit Low

P3495 is an OBD-II diagnostic trouble code meaning: Cylinder 12 Exhaust Valve Control Circuit Low. Common causes: vvt solenoid valve malfunction, open or short circuit in wiring harness. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Check Engine Light Illuminates
  • Possible misfire in cylinder 12

Causes

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

How to Fix

  1. Check the condition of the VVT solenoid valve
  2. Check the integrity of the wiring harness and connectors
  3. Measure resistance and voltage in the control circuit
  4. Check the operation of the VVT system using a diagnostic scanner
  5. If necessary, replace faulty components

Related codes

Error P3495 by Vehicle Brand

FAQ

What does the P3495 code mean?

P3495 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Exhaust Valve Control Circuit Low

What causes a P3495 error code?

The most common causes of P3495 include: VVT solenoid valve malfunction; Open or short circuit in wiring harness; Poor contact in connectors; Malfunction of the engine control unit (ECU).

How do I fix a P3495 diagnostic trouble code?

To fix P3495: Check the condition of the VVT solenoid valve. Check the integrity of the wiring harness and connectors. Measure resistance and voltage in the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3495?

Limited driving only, diagnose soon

How much does it cost to fix P3495?

The estimated repair cost for P3495 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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