OBD-II code · Powertrain (manufacturer / generic)
P3484 Cylinder Deactivation Solenoid Bank 2 Control Circuit Low
The engine control module has detected a low voltage condition at the bank 2 cylinder deactivation solenoid control circuit. A short to ground or low-side driver fault prevents proper actuation of the bank 2 deactivation hydraulic path.
Is it safe to drive with P3484?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySolenoid or wiring shorted to ground
- PossibleECM low-side driver failed
- Less likelyConnector damage
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cylinder Deactivation Solenoid, Engine Wiring Harness, Ecm
Related codes
- P3482Cylinder Deactivation Solenoid Bank 1 Control Circuit Low
- P3481Cylinder 10 Deactivation
- P3483Cylinder Deactivation Solenoid Bank 1 Control Circuit High
- P3485Cylinder Deactivation Solenoid Bank 2 Control Circuit High
- P3486Cylinder 11 Exhaust Valve Control Circuit Performance
- P3487Cylinder 11 Exhaust Valve Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.