Cylinder Deactivation Solenoid Circuit Open - Cylinder Specified
2012-2015 BMW 320i 2.0L I4 Turbo N20
Description
A specific cylinder deactivation solenoid circuit has an open condition. The PCM cannot command the lifter oil flow for the affected cylinder.
Symptoms
- Check Engine Light
- That cylinder always fires or never fires
- Engine vibration
- Misfire-like symptoms
- Fuel economy reduced
- Deactivation system may be fully disabled
Common Causes
- Solenoid coil open
- Wiring harness open circuit
- Connector pin backed out
- PCM driver circuit failure
- Solenoid internal failure
Diagnostic Steps
- Identify which cylinder solenoid is affected
- Test solenoid resistance
- Check wiring continuity to solenoid
- Inspect connector pins
- Test PCM driver output
Repair Notes
Replace failed cylinder deactivation solenoid. Inspect VLOM for related damage.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3622 on Other Vehicles
Common Questions
What does code P3622 mean on a 2012-2015 BMW 320i?
P3622 stands for "Cylinder Deactivation Solenoid Circuit Open - Cylinder Specified". A specific cylinder deactivation solenoid circuit has an open condition. The PCM cannot command the lifter oil flow for the affected cylinder.
What are the symptoms of P3622 on a BMW 320i?
Common symptoms of P3622 include: Check Engine Light, That cylinder always fires or never fires, Engine vibration, Misfire-like symptoms, Fuel economy reduced, Deactivation system may be fully disabled.
What causes P3622 on a 2012-2015 BMW 320i?
Common causes of P3622 include: Solenoid coil open, Wiring harness open circuit, Connector pin backed out, PCM driver circuit failure, Solenoid internal failure.