OBD-II code · Powertrain (manufacturer / generic)
P341C Deactivation/Exhaust Valve Control Circuit Performance Bank 1
The exhaust valve deactivation system on bank 1 is electrically active but the mechanical response does not match commanded state.
Is it safe to drive with P341C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyOil sludge blocks deactivation pin
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cylinder Deactivation Solenoid, Hydraulic Pin, Engine Oil
Related codes
- P341DDeactivation/Exhaust Valve Control Circuit Performance Bank 2
- P3419Cylinder 3 Deactivation/Intake Valve Control Circuit Low
- P341ADeactivation/Intake Valve Control Circuit Performance Bank 1
- P341BDeactivation/Intake Valve Control Circuit Performance Bank 2
- P3420Cylinder 3 Deactivation/Intake Valve Control Circuit High
- P3421Cylinder 3 Exhaust Valve Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.