P3443

Cylinder 6 Deactivation/Intake Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Deterioration in fuel consumption
Engine vibrations at idle
Reduced engine power
Unstable engine operation

Causes

Open or short circuit in control circuit
Malfunction of the cylinder deactivation solenoid valve
Wiring Harness Problems
Engine control unit malfunction
Mechanical problems with the cylinder deactivation system

How to Fix

Check the integrity of the control circuit
Check the resistance of the solenoid valve
Inspect the wiring harness for damage
Check the operation of the engine control unit
Replace faulty components

Related codes

P3440 P3441 P3442