OBD-II code · Powertrain (manufacturer / generic)
P3485 Cylinder Deactivation Solenoid Bank 2 Control Circuit High
The engine control module has detected a high voltage condition at the bank 2 cylinder deactivation solenoid control circuit. A short to power or open low-side path causes the driver to read above the expected range, disabling deactivation requests on bank 2.
Is it safe to drive with P3485?
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 power
- PossibleSolenoid coil open
- Less likelyECM driver failed
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
- P3483Cylinder Deactivation Solenoid Bank 1 Control Circuit High
- P3482Cylinder Deactivation Solenoid Bank 1 Control Circuit Low
- P3484Cylinder Deactivation Solenoid Bank 2 Control Circuit Low
- P3486Cylinder 11 Exhaust Valve Control Circuit Performance
- P3487Cylinder 11 Exhaust Valve Control Circuit Low
- P3488Cylinder 11 Exhaust Valve Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.