P3622moderate severityPowertrain
Cylinder Deactivation Solenoid Circuit Open - Cylinder Specified
on 2006 Toyota Highlander 2.4L I4 · AWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1