OBD Guide

P3445

Cylinder 6 Exhaust Valve Control Circuit/Open

P3445 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Exhaust Valve Control Circuit/Open. Common causes: open or short circuit in wiring harness, control solenoid valve malfunction. 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 reduction
  • Increased fuel consumption
  • Check Engine light comes on
  • Possible misfire in cylinder 6

Causes

  • Open or short circuit in wiring harness
  • Control solenoid valve malfunction
  • Problems with the engine control unit
  • Mechanical failure of exhaust valve
  • Poor contact in connectors

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the resistance of the solenoid valve
  3. Inspect the mechanical part of the exhaust valve
  4. Check signals from the control unit
  5. If necessary, replace faulty components

Related codes

Error P3445 by Vehicle Brand

FAQ

What does the P3445 code mean?

P3445 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Exhaust Valve Control Circuit/Open

What causes a P3445 error code?

The most common causes of P3445 include: Open or short circuit in wiring harness; Control solenoid valve malfunction; Problems with the engine control unit; Mechanical failure of exhaust valve.

How do I fix a P3445 diagnostic trouble code?

To fix P3445: Check the integrity of wiring and connectors. Check the resistance of the solenoid valve. Inspect the mechanical part of the exhaust valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3445?

Yes, but get it checked soon

How much does it cost to fix P3445?

The estimated repair cost for P3445 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat