OBD-II code · Powertrain (manufacturer / generic)

P3483 Cylinder Deactivation Solenoid Bank 1 Control Circuit High

The engine control module has detected a high voltage condition at the bank 1 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 1.

Is it safe to drive with P3483?

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.