OBD-II code · Powertrain (manufacturer / generic)
P3410 Cylinder Deactivation System Bank 2
The engine control module has detected a fault in the cylinder deactivation system on bank 2. The system disables fuel and valve operation on selected cylinders under low load to reduce fuel consumption; a fault disables further deactivation requests on this bank.
Is it safe to drive with P3410?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyDeactivation solenoid or oil control valve failed
- PossibleCollapsing lifter stuck
- PossibleLow oil pressure prevents activation
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–8 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cylinder Deactivation Solenoid, Lifter, Oil Control Valve
Related codes
- P3400Cylinder Deactivation System Bank 1
- P3497Cylinder Deactivation System Bank 2
- P340BDeactivation/Intake Valve Control Circuit Bank 2
- P340CDeactivation/Exhaust Valve Control Circuit Bank 1
- P340DDeactivation/Exhaust Valve Control Circuit Bank 2
- P3411Cylinder 2 Deactivation Performance
- P3412Cylinder 2 Deactivation Stuck Off
- P3413Cylinder 2 Deactivation Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.