Code result
P341A
Deactivation/Intake Valve Control Circuit Performance Bank 1
Moderate severity
What it means
The intake valve deactivation system on bank 1 is electrically active but the mechanical response does not match commanded state. Often hydraulic pin sticking from sludge or low oil pressure.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Oil sludge blocks deactivation pin
highOne of the most commonly reported causes for this code — check this first.
Low oil pressure
mediumA plausible cause — test and verify before replacing parts.
Related help
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