OBD-II code · Powertrain (manufacturer / generic)
P3497 Cylinder Deactivation System Bank 2
The engine control module has detected a fault in the cylinder deactivation system on bank 2. Same as P3400 but for the second cylinder bank in V-engines.
Is it safe to drive with P3497?
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
- P3410Cylinder Deactivation System Bank 2
- P3494Cylinder Deactivation Position Sensor Bank 1 Range/Performance
- P3495Cylinder Deactivation Position Sensor Bank 2 Range/Performance
- P3496Cylinder 12 Deactivation
- P3498Cylinder Deactivation Pressure Sensor Bank 1
- P3499Cylinder Deactivation Pressure Sensor Bank 2
- P349ACylinder 3 Deactivation/Intake Valve Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.